current theta: 0.608726854749 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 2464 rows and 2464 columns Presolve time: 0.07s Presolved: 3699 rows, 3776 columns, 11016 nonzeros Variable types: 0 continuous, 3776 integer (3776 binary) Root relaxation: objective 0.000000e+00, 553 iterations, 0.01 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 0.0% - 0s Explored 0 nodes (1460 simplex iterations) in 0.10 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 [1, 21, 29, 54, 66, 67, 68, 71] edges [(61, 67), (57, 21), (73, 67), (16, 66), (63, 29), (47, 54), (7, 29), (52, 29), (24, 67), (3, 54), (77, 21), (1, 66), (37, 68), (42, 29), (58, 54), (4, 54), (27, 29), (32, 29), (50, 66), (30, 54), (14, 54), (46, 67), (0, 66), (43, 66), (9, 71), (71, 66), (38, 71), (36, 68), (59, 66), (8, 68), (60, 1), (51, 71), (49, 66), (18, 71), (28, 54), (41, 71), (15, 66), (54, 29), (35, 67), (72, 71), (5, 66), (55, 68), (23, 21), (34, 71), (67, 21), (64, 54), (48, 66), (10, 21), (70, 68), (26, 54), (40, 68), (22, 54), (13, 21), (25, 66), (56, 66), (19, 54), (2, 21), (62, 21), (65, 29), (6, 1), (76, 71), (31, 29), (44, 68), (68, 66), (17, 68), (33, 71), (12, 67), (20, 29), (69, 54), (21, 21), (66, 68), (45, 21), (74, 71), (39, 71), (11, 29), (29, 21), (75, 54), (53, 66)] current theta: 0.304363427374 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 4684 rows and 4684 columns Presolve time: 0.02s Presolved: 1479 rows, 1556 columns, 4356 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1556 integer (1556 binary) Root relaxation: objective 0.000000e+00, 772 iterations, 0.01 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 0.0% - 0s Explored 0 nodes (1298 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 [19, 51, 53, 70, 71, 75, 76, 77] edges [(39, 70), (6, 51), (20, 77), (50, 19), (29, 19), (52, 19), (57, 76), (28, 76), (23, 77), (16, 53), (77, 77), (66, 51), (31, 76), (7, 75), (67, 76), (43, 51), (60, 51), (18, 76), (13, 77), (62, 77), (12, 76), (74, 75), (19, 19), (3, 76), (4, 51), (76, 76), (22, 76), (27, 19), (42, 77), (5, 71), (1, 53), (51, 51), (24, 76), (32, 19), (48, 77), (37, 75), (34, 75), (0, 71), (45, 77), (36, 71), (55, 75), (38, 51), (59, 71), (8, 71), (73, 76), (14, 70), (17, 76), (2, 77), (70, 70), (46, 75), (49, 71), (75, 75), (64, 53), (25, 53), (58, 75), (15, 51), (69, 77), (61, 76), (30, 76), (54, 77), (41, 75), (9, 76), (72, 75), (53, 71), (10, 53), (68, 51), (56, 53), (11, 76), (71, 51), (26, 76), (33, 70), (65, 76), (40, 75), (44, 70), (63, 77), (47, 53), (35, 77), (21, 19)] current theta: 0.152181713687 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5630 rows and 5630 columns Presolve time: 0.01s Presolved: 533 rows, 610 columns, 1518 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 610 integer (610 binary) Root relaxation: cutoff, 610 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 - 0.10000 - - 0s Explored 0 nodes (610 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.228272570531 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5206 rows and 5206 columns Presolve time: 0.01s Presolved: 957 rows, 1034 columns, 2790 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1034 integer (1034 binary) Root relaxation: cutoff, 1075 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 (1075 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.266317998953 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 4968 rows and 4968 columns Presolve time: 0.02s Presolved: 1195 rows, 1272 columns, 3504 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1272 integer (1272 binary) Root relaxation: objective 0.000000e+00, 863 iterations, 0.01 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 0.0% - 0s Explored 0 nodes (1441 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 [35, 40, 41, 43, 45, 50, 75, 76] edges [(55, 41), (7, 76), (33, 40), (75, 40), (45, 45), (57, 76), (37, 40), (28, 76), (35, 35), (2, 35), (71, 41), (25, 43), (50, 50), (0, 41), (51, 43), (39, 40), (60, 50), (67, 76), (22, 75), (31, 45), (8, 50), (66, 43), (4, 43), (18, 76), (29, 35), (41, 41), (27, 50), (16, 43), (15, 43), (74, 75), (1, 43), (42, 35), (3, 76), (76, 76), (5, 43), (9, 40), (24, 76), (20, 45), (38, 50), (34, 75), (56, 43), (58, 76), (43, 43), (48, 50), (21, 35), (17, 41), (73, 76), (32, 50), (12, 75), (64, 41), (46, 75), (61, 76), (30, 76), (11, 45), (68, 43), (36, 41), (53, 43), (49, 50), (70, 40), (62, 45), (63, 45), (69, 45), (72, 76), (47, 41), (54, 45), (10, 50), (52, 50), (44, 40), (59, 41), (26, 76), (65, 76), (23, 45), (40, 75), (77, 35), (14, 40), (13, 50), (6, 50), (19, 35)] current theta: 0.247295284742 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5080 rows and 5080 columns Presolve time: 0.01s Presolved: 1083 rows, 1160 columns, 3168 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1160 integer (1160 binary) Root relaxation: objective 0.000000e+00, 913 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 0.0% - 0s Explored 0 nodes (2030 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 [27, 31, 35, 39, 43, 67, 71, 75] edges [(47, 71), (67, 31), (26, 75), (11, 31), (35, 35), (38, 27), (41, 39), (2, 35), (44, 39), (63, 31), (48, 27), (27, 27), (7, 31), (71, 71), (51, 43), (70, 39), (32, 27), (30, 67), (55, 39), (0, 43), (22, 75), (66, 43), (4, 43), (62, 35), (49, 27), (29, 35), (73, 75), (69, 31), (17, 75), (16, 43), (33, 39), (52, 27), (15, 43), (74, 75), (36, 39), (1, 43), (42, 35), (39, 39), (23, 31), (24, 75), (5, 71), (9, 75), (13, 27), (37, 75), (34, 75), (56, 43), (43, 43), (59, 71), (3, 31), (21, 35), (8, 71), (64, 71), (46, 75), (75, 75), (28, 67), (58, 75), (76, 31), (18, 67), (61, 75), (50, 27), (68, 71), (54, 67), (72, 75), (14, 39), (53, 71), (57, 75), (60, 27), (25, 71), (10, 71), (6, 27), (45, 67), (12, 67), (31, 31), (40, 75), (77, 35), (19, 35), (65, 67), (20, 31)] current theta: 0.237783927636 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5134 rows and 5134 columns Presolve time: 0.01s Presolved: 1029 rows, 1106 columns, 3006 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1106 integer (1106 binary) Root relaxation: objective 0.000000e+00, 1036 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 118 - 0.00000 - - 0s Another try with MIP start 0 0 0.00000 0 150 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 24 Explored 0 nodes (4470 simplex iterations) in 0.12 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 [0, 4, 11, 24, 37, 41, 48, 77] edges [(65, 11), (3, 11), (55, 41), (13, 48), (69, 11), (44, 37), (1, 4), (61, 24), (43, 4), (56, 4), (71, 41), (77, 77), (38, 4), (51, 4), (73, 24), (22, 24), (17, 24), (57, 24), (39, 41), (15, 0), (8, 48), (50, 48), (12, 24), (25, 4), (9, 37), (70, 37), (5, 4), (27, 48), (7, 24), (60, 4), (45, 11), (75, 24), (41, 41), (62, 77), (26, 24), (68, 4), (76, 11), (46, 37), (33, 37), (34, 41), (11, 11), (48, 48), (28, 24), (19, 48), (32, 48), (23, 24), (20, 11), (18, 24), (0, 0), (2, 77), (24, 24), (53, 4), (37, 37), (66, 4), (64, 41), (31, 11), (30, 24), (54, 77), (36, 41), (58, 37), (72, 24), (29, 77), (52, 48), (16, 4), (47, 41), (67, 24), (49, 48), (42, 48), (14, 37), (74, 37), (63, 11), (40, 37), (4, 4), (59, 41), (6, 4), (21, 77), (10, 48), (35, 77)] current theta: 0.233028249083 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:49 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5172 rows and 5172 columns Presolve time: 0.01s Presolved: 991 rows, 1068 columns, 2892 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1068 integer (1068 binary) Root relaxation: objective 0.000000e+00, 1075 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 0.0% - 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 [0, 4, 11, 24, 37, 50, 71, 77] edges [(3, 11), (23, 11), (47, 71), (69, 11), (44, 37), (59, 0), (1, 4), (61, 24), (43, 4), (77, 77), (38, 4), (50, 50), (55, 37), (51, 4), (73, 24), (22, 24), (71, 71), (17, 24), (57, 24), (15, 0), (12, 24), (9, 37), (70, 37), (36, 0), (60, 4), (45, 11), (75, 24), (62, 77), (27, 50), (26, 24), (39, 37), (46, 37), (33, 37), (67, 11), (42, 77), (5, 71), (11, 11), (68, 0), (28, 24), (20, 11), (18, 24), (48, 50), (41, 71), (58, 24), (0, 0), (8, 71), (34, 37), (64, 71), (19, 50), (32, 50), (2, 77), (24, 24), (37, 37), (66, 4), (31, 11), (30, 24), (65, 24), (76, 24), (54, 77), (49, 50), (72, 24), (29, 77), (53, 71), (16, 4), (25, 71), (14, 37), (74, 37), (63, 11), (10, 71), (52, 50), (40, 37), (7, 11), (4, 4), (56, 71), (6, 4), (21, 77), (13, 50), (35, 77)] current theta: 0.230650409807 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5188 rows and 5188 columns Presolve time: 0.01s Presolved: 975 rows, 1052 columns, 2844 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1052 integer (1052 binary) Root relaxation: objective 0.000000e+00, 1102 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 80 - 0.00000 - - 0s Another try with MIP start 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 1 Zero half: 6 Explored 0 nodes (4048 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.231839329445 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5178 rows and 5178 columns Presolve time: 0.01s Presolved: 985 rows, 1062 columns, 2874 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1062 integer (1062 binary) Root relaxation: objective 0.000000e+00, 1037 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 78 - 0.00000 - - 0s Another try with MIP start 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 1 Zero half: 6 Explored 0 nodes (4025 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.232433789264 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5174 rows and 5174 columns Presolve time: 0.01s Presolved: 989 rows, 1066 columns, 2886 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1066 integer (1066 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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 [0, 4, 11, 24, 37, 50, 71, 77] edges [(3, 11), (23, 11), (47, 71), (69, 11), (44, 37), (59, 0), (1, 4), (61, 24), (43, 4), (77, 77), (38, 4), (50, 50), (55, 37), (51, 4), (73, 24), (22, 24), (71, 71), (17, 24), (57, 24), (15, 0), (12, 24), (9, 37), (70, 37), (36, 0), (60, 4), (45, 11), (75, 24), (62, 77), (27, 50), (26, 24), (39, 37), (46, 37), (33, 37), (67, 11), (42, 77), (5, 71), (11, 11), (68, 0), (28, 24), (20, 11), (18, 24), (48, 50), (41, 71), (58, 24), (0, 0), (8, 71), (34, 37), (64, 71), (19, 50), (32, 50), (2, 77), (24, 24), (37, 37), (66, 4), (31, 11), (30, 24), (65, 24), (76, 24), (54, 77), (49, 50), (72, 24), (29, 77), (53, 71), (16, 4), (25, 71), (14, 37), (74, 37), (63, 11), (10, 71), (52, 50), (40, 37), (7, 11), (4, 4), (56, 71), (6, 4), (21, 77), (13, 50), (35, 77)] current theta: 0.232136559355 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5174 rows and 5174 columns Presolve time: 0.01s Presolved: 989 rows, 1066 columns, 2886 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1066 integer (1066 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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 [0, 4, 11, 24, 37, 50, 71, 77] edges [(3, 11), (23, 11), (47, 71), (69, 11), (44, 37), (59, 0), (1, 4), (61, 24), (43, 4), (77, 77), (38, 4), (50, 50), (55, 37), (51, 4), (73, 24), (22, 24), (71, 71), (17, 24), (57, 24), (15, 0), (12, 24), (9, 37), (70, 37), (36, 0), (60, 4), (45, 11), (75, 24), (62, 77), (27, 50), (26, 24), (39, 37), (46, 37), (33, 37), (67, 11), (42, 77), (5, 71), (11, 11), (68, 0), (28, 24), (20, 11), (18, 24), (48, 50), (41, 71), (58, 24), (0, 0), (8, 71), (34, 37), (64, 71), (19, 50), (32, 50), (2, 77), (24, 24), (37, 37), (66, 4), (31, 11), (30, 24), (65, 24), (76, 24), (54, 77), (49, 50), (72, 24), (29, 77), (53, 71), (16, 4), (25, 71), (14, 37), (74, 37), (63, 11), (10, 71), (52, 50), (40, 37), (7, 11), (4, 4), (56, 71), (6, 4), (21, 77), (13, 50), (35, 77)] current theta: 0.2319879444 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5174 rows and 5174 columns Presolve time: 0.01s Presolved: 989 rows, 1066 columns, 2886 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1066 integer (1066 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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 [0, 4, 11, 24, 37, 50, 71, 77] edges [(3, 11), (23, 11), (47, 71), (69, 11), (44, 37), (59, 0), (1, 4), (61, 24), (43, 4), (77, 77), (38, 4), (50, 50), (55, 37), (51, 4), (73, 24), (22, 24), (71, 71), (17, 24), (57, 24), (15, 0), (12, 24), (9, 37), (70, 37), (36, 0), (60, 4), (45, 11), (75, 24), (62, 77), (27, 50), (26, 24), (39, 37), (46, 37), (33, 37), (67, 11), (42, 77), (5, 71), (11, 11), (68, 0), (28, 24), (20, 11), (18, 24), (48, 50), (41, 71), (58, 24), (0, 0), (8, 71), (34, 37), (64, 71), (19, 50), (32, 50), (2, 77), (24, 24), (37, 37), (66, 4), (31, 11), (30, 24), (65, 24), (76, 24), (54, 77), (49, 50), (72, 24), (29, 77), (53, 71), (16, 4), (25, 71), (14, 37), (74, 37), (63, 11), (10, 71), (52, 50), (40, 37), (7, 11), (4, 4), (56, 71), (6, 4), (21, 77), (13, 50), (35, 77)] current theta: 0.231913636923 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 00:38:50 2012 Optimize a model with 6163 rows, 6240 columns and 18408 nonzeros Presolve removed 5174 rows and 5174 columns Presolve time: 0.01s Presolved: 989 rows, 1066 columns, 2886 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1066 integer (1066 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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 [0, 4, 11, 24, 37, 50, 71, 77] edges [(3, 11), (23, 11), (47, 71), (69, 11), (44, 37), (59, 0), (1, 4), (61, 24), (43, 4), (77, 77), (38, 4), (50, 50), (55, 37), (51, 4), (73, 24), (22, 24), (71, 71), (17, 24), (57, 24), (15, 0), (12, 24), (9, 37), (70, 37), (36, 0), (60, 4), (45, 11), (75, 24), (62, 77), (27, 50), (26, 24), (39, 37), (46, 37), (33, 37), (67, 11), (42, 77), (5, 71), (11, 11), (68, 0), (28, 24), (20, 11), (18, 24), (48, 50), (41, 71), (58, 24), (0, 0), (8, 71), (34, 37), (64, 71), (19, 50), (32, 50), (2, 77), (24, 24), (37, 37), (66, 4), (31, 11), (30, 24), (65, 24), (76, 24), (54, 77), (49, 50), (72, 24), (29, 77), (53, 71), (16, 4), (25, 71), (14, 37), (74, 37), (63, 11), (10, 71), (52, 50), (40, 37), (7, 11), (4, 4), (56, 71), (6, 4), (21, 77), (13, 50), (35, 77)]