current theta: 0.62406169002 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 2612 rows and 2612 columns Presolve time: 0.12s Presolved: 4699 rows, 4783 columns, 14009 nonzeros Variable types: 0 continuous, 4783 integer (4783 binary) Root relaxation: objective 0.000000e+00, 784 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1480 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [6, 11, 24, 29, 42, 59, 65, 69, 83] edges [(59, 42), (64, 83), (16, 65), (69, 11), (65, 65), (35, 83), (17, 83), (15, 24), (40, 83), (13, 83), (36, 83), (52, 65), (18, 83), (48, 83), (78, 83), (27, 83), (22, 24), (28, 83), (62, 83), (4, 83), (25, 83), (67, 83), (21, 83), (63, 83), (45, 83), (42, 65), (12, 83), (26, 83), (33, 83), (68, 83), (56, 83), (54, 83), (80, 83), (23, 29), (76, 11), (34, 83), (75, 6), (55, 83), (3, 83), (10, 83), (73, 83), (31, 83), (11, 83), (74, 83), (53, 83), (20, 83), (2, 83), (83, 83), (44, 83), (14, 65), (61, 83), (84, 83), (57, 65), (66, 83), (9, 83), (30, 83), (37, 83), (5, 65), (39, 59), (38, 83), (19, 83), (1, 83), (77, 42), (6, 59), (43, 83), (50, 83), (24, 83), (47, 83), (29, 83), (71, 83), (32, 83), (81, 83), (60, 83), (41, 83), (8, 83), (7, 11), (49, 83), (46, 83), (72, 83), (70, 83), (51, 83), (58, 83), (0, 83), (82, 83), (79, 83)] current theta: 0.31203084501 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 5574 rows and 5576 columns Presolve time: 0.03s Presolved: 1737 rows, 1819 columns, 5121 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1819 integer (1819 binary) Root relaxation: objective 0.000000e+00, 800 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1376 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [6, 26, 45, 49, 76, 80, 82, 83, 84] edges [(79, 82), (5, 26), (17, 83), (38, 26), (12, 84), (40, 83), (35, 82), (69, 49), (48, 82), (57, 83), (18, 83), (27, 80), (0, 76), (47, 49), (63, 84), (15, 26), (64, 76), (13, 80), (4, 82), (80, 80), (62, 83), (51, 45), (50, 49), (21, 84), (26, 26), (44, 84), (81, 84), (78, 84), (33, 83), (68, 83), (10, 84), (19, 45), (84, 84), (7, 26), (76, 82), (25, 80), (67, 84), (75, 6), (55, 83), (45, 80), (22, 76), (41, 45), (24, 76), (11, 83), (20, 82), (53, 83), (54, 84), (9, 49), (74, 80), (31, 49), (60, 84), (2, 76), (66, 82), (71, 84), (61, 83), (83, 82), (36, 45), (1, 45), (77, 45), (30, 83), (37, 83), (32, 80), (73, 84), (34, 26), (43, 82), (59, 49), (49, 49), (52, 49), (16, 76), (6, 6), (29, 80), (8, 83), (46, 82), (42, 49), (58, 82), (56, 26), (39, 49), (3, 45), (65, 76), (23, 45), (28, 84), (82, 83), (72, 84), (14, 76), (70, 45)] current theta: 0.156015422505 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6690 rows and 6766 columns Presolve time: 0.01s Presolved: 621 rows, 629 columns, 1699 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 629 integer (629 binary) Root relaxation: cutoff, 769 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (769 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.234023133758 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6214 rows and 6246 columns Presolve time: 0.02s Presolved: 1097 rows, 1149 columns, 3171 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1149 integer (1149 binary) Root relaxation: objective 0.000000e+00, 1227 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1950 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [18, 23, 27, 31, 38, 41, 42, 78, 82] edges [(33, 41), (79, 82), (59, 42), (40, 41), (63, 18), (5, 38), (49, 42), (56, 31), (64, 38), (35, 82), (17, 82), (48, 82), (8, 41), (26, 38), (51, 41), (22, 38), (75, 42), (10, 78), (84, 78), (28, 78), (27, 27), (52, 31), (11, 18), (38, 38), (57, 31), (53, 18), (6, 42), (66, 18), (12, 82), (30, 18), (39, 42), (65, 38), (54, 82), (41, 41), (9, 18), (76, 82), (80, 27), (55, 82), (1, 41), (34, 38), (13, 27), (74, 27), (73, 78), (2, 82), (62, 18), (19, 23), (72, 18), (50, 31), (81, 78), (67, 18), (32, 23), (42, 42), (23, 23), (16, 38), (36, 41), (77, 41), (14, 38), (43, 82), (29, 27), (18, 18), (3, 41), (60, 78), (24, 38), (20, 18), (4, 38), (44, 18), (70, 41), (47, 41), (45, 23), (25, 27), (46, 82), (83, 18), (58, 82), (21, 78), (0, 82), (82, 82), (31, 31), (7, 38), (69, 42), (71, 78), (78, 78), (15, 38), (61, 27), (37, 18), (68, 18)] current theta: 0.195019278131 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6472 rows and 6521 columns Presolve time: 0.01s Presolved: 839 rows, 874 columns, 2380 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 874 integer (874 binary) Root relaxation: cutoff, 972 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (972 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.214521205944 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6354 rows and 6393 columns Presolve time: 0.01s Presolved: 957 rows, 1002 columns, 2744 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1002 integer (1002 binary) Root relaxation: cutoff, 938 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (938 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.224272169851 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6274 rows and 6309 columns Presolve time: 0.01s Presolved: 1037 rows, 1086 columns, 2988 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1086 integer (1086 binary) Root relaxation: objective 0.000000e+00, 1032 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1634 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 31, 33, 38, 42, 53, 70, 78, 82] edges [(53, 53), (13, 13), (74, 13), (79, 82), (59, 42), (80, 13), (41, 33), (5, 38), (83, 53), (56, 31), (64, 38), (35, 82), (17, 82), (48, 82), (26, 38), (29, 13), (9, 33), (22, 38), (75, 42), (84, 78), (28, 78), (3, 70), (52, 31), (62, 82), (38, 38), (6, 42), (33, 33), (12, 82), (40, 53), (39, 42), (19, 70), (65, 38), (54, 82), (1, 70), (20, 33), (63, 82), (76, 82), (61, 53), (30, 53), (77, 70), (50, 42), (55, 82), (49, 31), (57, 33), (34, 38), (44, 53), (73, 78), (36, 70), (2, 82), (67, 53), (51, 70), (47, 33), (66, 82), (18, 53), (70, 70), (25, 53), (42, 42), (68, 53), (27, 13), (32, 13), (16, 38), (14, 38), (37, 33), (43, 82), (60, 78), (45, 70), (23, 13), (24, 38), (4, 38), (8, 33), (10, 53), (72, 53), (11, 33), (46, 82), (81, 53), (58, 82), (21, 78), (0, 82), (82, 82), (31, 31), (7, 38), (69, 42), (71, 78), (78, 78), (15, 38)] current theta: 0.219396687898 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6314 rows and 6351 columns Presolve time: 0.01s Presolved: 997 rows, 1044 columns, 2866 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1044 integer (1044 binary) Root relaxation: objective 0.000000e+00, 1045 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1045 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 26, 33, 52, 53, 64, 66, 70, 78] edges [(53, 53), (66, 66), (13, 13), (74, 13), (49, 52), (80, 13), (41, 33), (24, 64), (5, 26), (50, 52), (83, 53), (44, 66), (22, 26), (29, 13), (9, 33), (84, 78), (15, 26), (6, 52), (3, 70), (26, 26), (33, 33), (46, 66), (18, 33), (40, 53), (19, 70), (38, 64), (1, 70), (58, 66), (64, 64), (0, 66), (43, 66), (79, 64), (7, 26), (61, 53), (30, 53), (77, 70), (31, 52), (57, 33), (82, 66), (73, 78), (36, 70), (67, 53), (28, 53), (14, 64), (51, 70), (47, 33), (48, 64), (65, 26), (70, 70), (81, 78), (25, 53), (52, 52), (27, 13), (35, 66), (17, 66), (32, 13), (42, 52), (4, 64), (54, 66), (37, 33), (60, 78), (45, 70), (23, 13), (62, 66), (39, 52), (8, 33), (10, 53), (72, 53), (34, 64), (11, 33), (76, 64), (12, 66), (55, 66), (68, 66), (21, 78), (56, 26), (75, 52), (20, 66), (63, 66), (2, 66), (71, 78), (59, 52), (78, 78), (69, 52), (16, 64)] current theta: 0.216958946921 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6336 rows and 6374 columns Presolve time: 0.01s Presolved: 975 rows, 1021 columns, 2799 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1021 integer (1021 binary) Root relaxation: cutoff, 1006 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (1006 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.218177817409 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6326 rows and 6364 columns Presolve time: 0.01s Presolved: 985 rows, 1031 columns, 2829 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1031 integer (1031 binary) Root relaxation: objective 0.000000e+00, 1047 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (1047 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 24, 26, 33, 52, 53, 66, 70, 78] edges [(53, 53), (66, 66), (13, 13), (74, 13), (49, 52), (80, 13), (41, 33), (48, 24), (50, 52), (83, 53), (22, 26), (29, 13), (9, 33), (5, 24), (84, 78), (15, 26), (38, 24), (6, 52), (3, 70), (26, 26), (7, 24), (33, 33), (46, 66), (40, 53), (19, 70), (64, 24), (1, 70), (58, 66), (0, 66), (43, 66), (61, 53), (30, 53), (77, 70), (31, 52), (57, 33), (44, 53), (82, 66), (73, 78), (36, 70), (67, 53), (79, 24), (28, 53), (51, 70), (47, 33), (2, 24), (24, 24), (65, 26), (70, 70), (25, 53), (18, 66), (52, 52), (27, 13), (35, 66), (17, 66), (76, 24), (32, 13), (14, 24), (42, 52), (54, 66), (4, 24), (37, 33), (60, 78), (45, 70), (23, 13), (62, 66), (39, 52), (8, 33), (16, 24), (34, 24), (10, 53), (72, 53), (11, 33), (12, 66), (55, 66), (68, 66), (81, 53), (21, 78), (56, 26), (75, 52), (20, 66), (63, 66), (71, 78), (59, 52), (78, 78), (69, 52)] current theta: 0.217568382165 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6330 rows and 6368 columns Presolve time: 0.01s Presolved: 981 rows, 1027 columns, 2817 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1027 integer (1027 binary) Root relaxation: cutoff, 1235 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (1235 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.217873099787 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6326 rows and 6364 columns Presolve time: 0.01s Presolved: 985 rows, 1031 columns, 2829 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1031 integer (1031 binary) Root relaxation: cutoff, 39 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (39 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 24, 26, 33, 52, 53, 66, 70, 78] edges [(53, 53), (66, 66), (13, 13), (74, 13), (49, 52), (80, 13), (41, 33), (48, 24), (50, 52), (83, 53), (22, 26), (29, 13), (9, 33), (5, 24), (84, 78), (15, 26), (38, 24), (6, 52), (3, 70), (26, 26), (7, 24), (33, 33), (46, 66), (40, 53), (19, 70), (64, 24), (1, 70), (58, 66), (0, 66), (43, 66), (61, 53), (30, 53), (77, 70), (31, 52), (57, 33), (44, 53), (82, 66), (73, 78), (36, 70), (67, 53), (79, 24), (28, 53), (51, 70), (47, 33), (2, 24), (24, 24), (65, 26), (70, 70), (25, 53), (18, 66), (52, 52), (27, 13), (35, 66), (17, 66), (76, 24), (32, 13), (14, 24), (42, 52), (54, 66), (4, 24), (37, 33), (60, 78), (45, 70), (23, 13), (62, 66), (39, 52), (8, 33), (16, 24), (34, 24), (10, 53), (72, 53), (11, 33), (12, 66), (55, 66), (68, 66), (81, 53), (21, 78), (56, 26), (75, 52), (20, 66), (63, 66), (71, 78), (59, 52), (78, 78), (69, 52)] current theta: 0.217720740976 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6328 rows and 6366 columns Presolve time: 0.01s Presolved: 983 rows, 1029 columns, 2823 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1029 integer (1029 binary) Root relaxation: cutoff, 39 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (39 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 24, 26, 33, 52, 53, 66, 70, 78] edges [(53, 53), (66, 66), (13, 13), (74, 13), (49, 52), (80, 13), (41, 33), (48, 24), (50, 52), (83, 53), (22, 26), (29, 13), (9, 33), (5, 24), (84, 78), (15, 26), (38, 24), (6, 52), (3, 70), (26, 26), (7, 24), (33, 33), (46, 66), (40, 53), (19, 70), (64, 24), (1, 70), (58, 66), (0, 66), (43, 66), (61, 53), (30, 53), (77, 70), (31, 52), (57, 33), (44, 53), (82, 66), (73, 78), (36, 70), (67, 53), (79, 24), (28, 53), (51, 70), (47, 33), (2, 24), (24, 24), (65, 26), (70, 70), (25, 53), (18, 66), (52, 52), (27, 13), (35, 66), (17, 66), (76, 24), (32, 13), (14, 24), (42, 52), (54, 66), (4, 24), (37, 33), (60, 78), (45, 70), (23, 13), (62, 66), (39, 52), (8, 33), (16, 24), (34, 24), (10, 53), (72, 53), (11, 33), (12, 66), (55, 66), (68, 66), (81, 53), (21, 78), (56, 26), (75, 52), (20, 66), (63, 66), (71, 78), (59, 52), (78, 78), (69, 52)] current theta: 0.217644561571 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:58:07 2014 Optimize a model with 7311 rows, 7395 columns and 21845 nonzeros Presolve removed 6328 rows and 6366 columns Presolve time: 0.01s Presolved: 983 rows, 1029 columns, 2823 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1029 integer (1029 binary) Root relaxation: cutoff, 39 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (39 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [13, 24, 26, 33, 52, 53, 66, 70, 78] edges [(53, 53), (66, 66), (13, 13), (74, 13), (49, 52), (80, 13), (41, 33), (48, 24), (50, 52), (83, 53), (22, 26), (29, 13), (9, 33), (5, 24), (84, 78), (15, 26), (38, 24), (6, 52), (3, 70), (26, 26), (7, 24), (33, 33), (46, 66), (40, 53), (19, 70), (64, 24), (1, 70), (58, 66), (0, 66), (43, 66), (61, 53), (30, 53), (77, 70), (31, 52), (57, 33), (44, 53), (82, 66), (73, 78), (36, 70), (67, 53), (79, 24), (28, 53), (51, 70), (47, 33), (2, 24), (24, 24), (65, 26), (70, 70), (25, 53), (18, 66), (52, 52), (27, 13), (35, 66), (17, 66), (76, 24), (32, 13), (14, 24), (42, 52), (54, 66), (4, 24), (37, 33), (60, 78), (45, 70), (23, 13), (62, 66), (39, 52), (8, 33), (16, 24), (34, 24), (10, 53), (72, 53), (11, 33), (12, 66), (55, 66), (68, 66), (81, 53), (21, 78), (56, 26), (75, 52), (20, 66), (63, 66), (71, 78), (59, 52), (78, 78), (69, 52)]