current theta: 0.657815588876 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 2906 rows and 2906 columns Presolve time: 0.11s Presolved: 4927 rows, 5014 columns, 14690 nonzeros Variable types: 0 continuous, 5014 integer (5014 binary) Root relaxation: objective 0.000000e+00, 508 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 (508 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 [10, 42, 46, 47, 54, 77, 80, 82, 86] edges [(15, 86), (46, 86), (28, 86), (3, 46), (72, 86), (70, 86), (0, 86), (40, 42), (23, 86), (13, 47), (49, 86), (51, 86), (64, 86), (4, 47), (8, 42), (12, 86), (26, 86), (68, 86), (16, 54), (59, 86), (14, 86), (34, 46), (63, 86), (45, 86), (76, 86), (35, 86), (78, 86), (10, 86), (55, 86), (86, 86), (27, 86), (74, 86), (20, 86), (2, 86), (31, 86), (82, 42), (24, 54), (62, 10), (39, 86), (53, 86), (84, 86), (66, 86), (41, 46), (19, 46), (25, 86), (56, 86), (54, 86), (67, 86), (80, 86), (9, 47), (61, 86), (22, 77), (42, 86), (85, 54), (33, 86), (75, 86), (1, 47), (37, 86), (50, 86), (52, 86), (29, 86), (60, 86), (71, 86), (11, 86), (17, 46), (48, 10), (21, 47), (77, 42), (83, 86), (65, 86), (32, 54), (30, 86), (58, 86), (18, 46), (69, 86), (7, 42), (38, 86), (6, 86), (57, 46), (79, 42), (81, 86), (43, 86), (87, 86), (5, 86), (36, 86), (47, 42), (44, 42), (73, 46)] current theta: 0.328907794438 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 5950 rows and 5950 columns Presolve time: 0.03s Presolved: 1883 rows, 1970 columns, 5558 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1970 integer (1970 binary) Root relaxation: objective 0.000000e+00, 844 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 (1532 simplex iterations) in 0.06 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 [32, 39, 41, 42, 56, 59, 70, 83, 87] edges [(67, 70), (51, 39), (47, 70), (72, 59), (17, 83), (40, 42), (49, 42), (54, 39), (29, 41), (18, 83), (8, 42), (64, 87), (0, 41), (20, 56), (68, 87), (3, 70), (52, 59), (32, 39), (80, 59), (76, 87), (78, 87), (41, 42), (21, 83), (10, 87), (23, 39), (48, 59), (19, 70), (1, 70), (26, 83), (86, 87), (53, 59), (9, 70), (81, 59), (34, 83), (36, 39), (63, 56), (39, 39), (65, 59), (61, 87), (28, 59), (30, 59), (56, 42), (75, 87), (37, 87), (14, 59), (16, 83), (62, 42), (83, 83), (59, 59), (13, 70), (11, 41), (45, 59), (43, 42), (70, 70), (71, 59), (74, 59), (42, 42), (55, 59), (4, 70), (22, 42), (25, 59), (57, 70), (12, 70), (69, 87), (6, 39), (84, 59), (2, 70), (35, 70), (73, 42), (24, 39), (38, 87), (5, 59), (66, 59), (27, 39), (87, 87), (85, 39), (50, 59), (46, 83), (7, 83), (77, 83), (31, 70), (58, 83), (15, 39), (44, 70), (82, 83), (33, 42), (79, 83), (60, 59)] current theta: 0.164453897219 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 7146 rows and 7146 columns Presolve time: 0.01s Presolved: 687 rows, 774 columns, 1970 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 774 integer (774 binary) Root relaxation: cutoff, 858 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 (858 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.246680845829 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6566 rows and 6566 columns Presolve time: 0.02s Presolved: 1267 rows, 1354 columns, 3710 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1354 integer (1354 binary) Root relaxation: objective 0.000000e+00, 1135 iterations, 0.03 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 (2083 simplex iterations) in 0.06 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, 14, 23, 28, 35, 40, 66, 83, 87] edges [(66, 66), (4, 35), (13, 13), (67, 35), (65, 66), (74, 66), (17, 83), (3, 13), (60, 14), (35, 35), (52, 28), (36, 83), (63, 28), (18, 83), (2, 35), (70, 13), (22, 83), (50, 14), (64, 87), (6, 83), (19, 13), (45, 14), (31, 35), (37, 28), (56, 35), (71, 14), (78, 87), (62, 35), (21, 83), (85, 23), (29, 35), (26, 83), (84, 28), (28, 28), (41, 40), (9, 13), (34, 40), (69, 28), (61, 87), (59, 66), (14, 66), (53, 28), (5, 14), (75, 87), (54, 87), (43, 40), (16, 83), (0, 35), (47, 13), (83, 83), (49, 28), (72, 14), (27, 23), (15, 23), (42, 83), (48, 66), (39, 23), (12, 13), (23, 23), (25, 66), (24, 83), (57, 13), (1, 13), (33, 23), (86, 28), (81, 28), (32, 83), (30, 28), (38, 87), (8, 83), (55, 66), (87, 87), (20, 28), (68, 23), (73, 40), (51, 35), (80, 66), (46, 83), (7, 83), (11, 35), (44, 13), (77, 83), (10, 28), (58, 83), (76, 23), (82, 83), (79, 83), (40, 40)] current theta: 0.205567371524 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6884 rows and 6884 columns Presolve time: 0.01s Presolved: 949 rows, 1036 columns, 2756 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1036 integer (1036 binary) Root relaxation: cutoff, 1168 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 (1168 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: 0.226124108676 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6714 rows and 6714 columns Presolve time: 0.01s Presolved: 1119 rows, 1206 columns, 3266 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1206 integer (1206 binary) Root relaxation: objective 0.000000e+00, 1113 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 (1848 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 [13, 36, 43, 48, 60, 67, 68, 83, 87] edges [(13, 13), (84, 67), (17, 36), (31, 67), (3, 13), (10, 60), (72, 60), (32, 36), (40, 43), (18, 83), (70, 13), (22, 83), (64, 87), (29, 67), (6, 83), (19, 13), (66, 48), (51, 43), (28, 60), (0, 43), (41, 43), (14, 48), (81, 67), (36, 36), (78, 87), (21, 83), (26, 83), (37, 60), (34, 43), (9, 13), (74, 48), (80, 48), (69, 68), (23, 68), (71, 60), (61, 87), (33, 36), (75, 87), (48, 48), (54, 87), (85, 68), (45, 60), (25, 48), (47, 13), (83, 36), (43, 43), (82, 36), (62, 43), (35, 67), (11, 43), (30, 60), (59, 60), (68, 68), (16, 36), (27, 68), (42, 43), (12, 13), (63, 68), (76, 68), (49, 68), (24, 36), (57, 13), (60, 60), (1, 13), (56, 67), (73, 43), (50, 60), (86, 68), (5, 60), (55, 67), (38, 87), (4, 67), (8, 83), (67, 67), (87, 87), (15, 36), (46, 83), (7, 83), (39, 68), (44, 13), (77, 83), (58, 83), (53, 67), (52, 60), (20, 67), (2, 67), (79, 83), (65, 67)] current theta: 0.2158457401 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6798 rows and 6798 columns Presolve time: 0.01s Presolved: 1035 rows, 1122 columns, 3014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1122 integer (1122 binary) Root relaxation: objective 0.000000e+00, 1109 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 (1109 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 [1, 16, 27, 33, 37, 43, 64, 67, 72] edges [(71, 72), (15, 33), (84, 67), (31, 67), (8, 16), (50, 72), (11, 67), (5, 37), (4, 1), (59, 72), (25, 72), (85, 33), (40, 43), (21, 16), (58, 43), (61, 64), (52, 37), (12, 1), (29, 67), (27, 27), (6, 16), (79, 16), (41, 43), (81, 67), (70, 1), (33, 33), (63, 27), (82, 16), (57, 1), (49, 27), (38, 64), (48, 72), (9, 43), (64, 64), (77, 16), (44, 1), (34, 43), (23, 33), (47, 1), (87, 64), (10, 37), (74, 72), (13, 1), (75, 37), (22, 16), (17, 16), (39, 33), (55, 72), (69, 37), (80, 72), (43, 43), (16, 33), (7, 16), (26, 43), (62, 43), (78, 64), (0, 1), (37, 37), (24, 33), (35, 67), (3, 1), (46, 16), (72, 72), (86, 37), (42, 43), (36, 16), (45, 72), (19, 1), (56, 67), (66, 72), (73, 43), (68, 64), (54, 64), (14, 72), (83, 16), (18, 16), (60, 72), (67, 67), (76, 64), (1, 1), (51, 27), (53, 67), (28, 37), (20, 67), (2, 67), (30, 37), (65, 67), (32, 33)] current theta: 0.210706555812 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6848 rows and 6848 columns Presolve time: 0.01s Presolved: 985 rows, 1072 columns, 2864 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1072 integer (1072 binary) Root relaxation: cutoff, 1112 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 (1112 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: 0.213276147956 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6818 rows and 6818 columns Presolve time: 0.01s Presolved: 1015 rows, 1102 columns, 2954 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1102 integer (1102 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 [1, 16, 27, 33, 37, 43, 64, 67, 72] edges [(71, 72), (15, 33), (84, 67), (31, 67), (8, 16), (50, 72), (11, 67), (5, 37), (4, 1), (59, 72), (25, 72), (85, 33), (40, 43), (21, 16), (58, 43), (61, 64), (52, 37), (12, 1), (29, 67), (27, 27), (6, 16), (79, 16), (41, 43), (81, 67), (70, 1), (33, 33), (63, 27), (82, 16), (57, 1), (49, 27), (38, 64), (48, 72), (9, 43), (64, 64), (77, 16), (44, 1), (34, 43), (23, 33), (47, 1), (87, 64), (10, 37), (74, 72), (13, 1), (75, 37), (22, 16), (17, 16), (39, 33), (55, 72), (69, 37), (80, 72), (43, 43), (16, 33), (7, 16), (26, 43), (62, 43), (78, 64), (0, 1), (37, 37), (24, 33), (35, 67), (3, 1), (46, 16), (72, 72), (86, 37), (42, 43), (36, 16), (45, 72), (19, 1), (56, 67), (66, 72), (73, 43), (68, 64), (54, 64), (14, 72), (83, 16), (18, 16), (60, 72), (67, 67), (76, 64), (1, 1), (51, 27), (53, 67), (28, 37), (20, 67), (2, 67), (30, 37), (65, 67), (32, 33)] current theta: 0.211991351884 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:14 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6830 rows and 6830 columns Presolve time: 0.01s Presolved: 1003 rows, 1090 columns, 2918 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1090 integer (1090 binary) Root relaxation: cutoff, 1115 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 (1115 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: 0.21263374992 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:15 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6822 rows and 6822 columns Presolve time: 0.01s Presolved: 1011 rows, 1098 columns, 2942 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1098 integer (1098 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 [1, 16, 27, 33, 37, 43, 64, 67, 72] edges [(71, 72), (15, 33), (84, 67), (31, 67), (8, 16), (50, 72), (11, 67), (5, 37), (4, 1), (59, 72), (25, 72), (85, 33), (40, 43), (21, 16), (58, 43), (61, 64), (52, 37), (12, 1), (29, 67), (27, 27), (6, 16), (79, 16), (41, 43), (81, 67), (70, 1), (33, 33), (63, 27), (82, 16), (57, 1), (49, 27), (38, 64), (48, 72), (9, 43), (64, 64), (77, 16), (44, 1), (34, 43), (23, 33), (47, 1), (87, 64), (10, 37), (74, 72), (13, 1), (75, 37), (22, 16), (17, 16), (39, 33), (55, 72), (69, 37), (80, 72), (43, 43), (16, 33), (7, 16), (26, 43), (62, 43), (78, 64), (0, 1), (37, 37), (24, 33), (35, 67), (3, 1), (46, 16), (72, 72), (86, 37), (42, 43), (36, 16), (45, 72), (19, 1), (56, 67), (66, 72), (73, 43), (68, 64), (54, 64), (14, 72), (83, 16), (18, 16), (60, 72), (67, 67), (76, 64), (1, 1), (51, 27), (53, 67), (28, 37), (20, 67), (2, 67), (30, 37), (65, 67), (32, 33)] current theta: 0.212312550902 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:15 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6828 rows and 6828 columns Presolve time: 0.01s Presolved: 1005 rows, 1092 columns, 2924 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1092 integer (1092 binary) Root relaxation: cutoff, 1201 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 (1201 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: 0.212473150411 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:15 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6826 rows and 6826 columns Presolve time: 0.01s Presolved: 1007 rows, 1094 columns, 2930 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1094 integer (1094 binary) Root relaxation: objective 0.000000e+00, 1029 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 (1029 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 [1, 8, 33, 37, 43, 49, 64, 67, 72] edges [(71, 72), (15, 33), (84, 67), (31, 67), (50, 72), (11, 67), (5, 37), (4, 1), (63, 49), (59, 72), (25, 72), (85, 33), (40, 43), (69, 49), (58, 43), (61, 64), (52, 37), (18, 8), (12, 1), (29, 67), (27, 49), (41, 43), (81, 67), (33, 33), (57, 1), (38, 64), (48, 72), (64, 64), (46, 8), (44, 1), (34, 43), (23, 33), (47, 1), (51, 49), (87, 64), (10, 37), (74, 72), (13, 1), (75, 37), (36, 33), (39, 33), (55, 72), (83, 8), (80, 72), (43, 43), (16, 33), (82, 8), (78, 64), (22, 8), (0, 1), (37, 37), (24, 33), (35, 67), (77, 8), (3, 1), (6, 33), (72, 72), (86, 37), (42, 43), (45, 72), (19, 1), (70, 43), (17, 8), (26, 8), (56, 67), (66, 72), (73, 43), (68, 64), (54, 64), (14, 72), (49, 49), (62, 67), (60, 72), (21, 43), (7, 8), (67, 67), (76, 64), (1, 1), (8, 8), (79, 8), (53, 67), (28, 37), (20, 67), (9, 1), (2, 67), (30, 37), (65, 67), (32, 33)] current theta: 0.212392850656 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:43:15 2012 Optimize a model with 7833 rows, 7920 columns and 23408 nonzeros Presolve removed 6826 rows and 6826 columns Presolve time: 0.01s Presolved: 1007 rows, 1094 columns, 2930 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1094 integer (1094 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 [1, 8, 33, 37, 43, 49, 64, 67, 72] edges [(71, 72), (15, 33), (84, 67), (31, 67), (50, 72), (11, 67), (5, 37), (4, 1), (63, 49), (59, 72), (25, 72), (85, 33), (40, 43), (69, 49), (58, 43), (61, 64), (52, 37), (18, 8), (12, 1), (29, 67), (27, 49), (41, 43), (81, 67), (33, 33), (57, 1), (38, 64), (48, 72), (64, 64), (46, 8), (44, 1), (34, 43), (23, 33), (47, 1), (51, 49), (87, 64), (10, 37), (74, 72), (13, 1), (75, 37), (36, 33), (39, 33), (55, 72), (83, 8), (80, 72), (43, 43), (16, 33), (82, 8), (78, 64), (22, 8), (0, 1), (37, 37), (24, 33), (35, 67), (77, 8), (3, 1), (6, 33), (72, 72), (86, 37), (42, 43), (45, 72), (19, 1), (70, 43), (17, 8), (26, 8), (56, 67), (66, 72), (73, 43), (68, 64), (54, 64), (14, 72), (49, 49), (62, 67), (60, 72), (21, 43), (7, 8), (67, 67), (76, 64), (1, 1), (8, 8), (79, 8), (53, 67), (28, 37), (20, 67), (9, 1), (2, 67), (30, 37), (65, 67), (32, 33)]