current theta: 0.643390831659 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 2752 rows and 2752 columns Presolve time: 0.12s Presolved: 5259 rows, 5347 columns, 15685 nonzeros Variable types: 0 continuous, 5347 integer (5347 binary) Root relaxation: objective 0.000000e+00, 499 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 (499 simplex iterations) in 0.13 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 [33, 35, 36, 40, 42, 48, 76, 86, 87] edges [(8, 87), (85, 87), (15, 86), (23, 87), (6, 87), (46, 87), (0, 86), (28, 87), (72, 87), (70, 87), (49, 86), (51, 86), (64, 86), (21, 87), (68, 86), (63, 87), (59, 86), (12, 87), (26, 87), (40, 86), (35, 87), (34, 86), (45, 86), (76, 86), (14, 87), (17, 86), (48, 86), (78, 86), (55, 87), (10, 86), (22, 87), (57, 86), (27, 87), (4, 48), (74, 86), (86, 87), (20, 86), (2, 86), (31, 86), (39, 87), (62, 87), (44, 87), (53, 86), (84, 86), (25, 86), (56, 86), (67, 86), (66, 87), (61, 86), (75, 87), (54, 87), (33, 86), (80, 87), (37, 86), (50, 86), (52, 86), (3, 87), (47, 87), (73, 87), (16, 86), (29, 86), (60, 86), (71, 86), (42, 42), (11, 86), (83, 87), (88, 87), (69, 87), (65, 86), (30, 86), (9, 87), (82, 86), (58, 87), (7, 86), (77, 86), (24, 86), (38, 87), (19, 87), (79, 86), (87, 87), (81, 86), (5, 87), (1, 86), (32, 86), (43, 86), (36, 87), (18, 87), (13, 86), (41, 87)] current theta: 0.32169541583 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 6156 rows and 6156 columns Presolve time: 0.03s Presolved: 1855 rows, 1943 columns, 5473 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1943 integer (1943 binary) Root relaxation: objective 0.000000e+00, 841 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 (1545 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 [12, 40, 42, 45, 49, 56, 58, 63, 77] edges [(85, 56), (33, 12), (59, 45), (4, 45), (45, 45), (1, 56), (46, 56), (30, 40), (84, 77), (0, 77), (27, 63), (69, 63), (20, 56), (37, 49), (43, 49), (24, 49), (67, 77), (38, 58), (64, 77), (73, 58), (66, 42), (74, 40), (22, 58), (31, 45), (17, 49), (21, 63), (63, 63), (19, 42), (70, 63), (18, 58), (47, 63), (80, 63), (56, 12), (52, 45), (35, 42), (76, 40), (28, 58), (16, 45), (83, 63), (51, 12), (65, 58), (12, 58), (14, 58), (75, 56), (8, 56), (61, 49), (50, 40), (55, 63), (7, 45), (26, 42), (62, 42), (23, 63), (72, 42), (77, 45), (44, 77), (58, 58), (87, 42), (42, 42), (39, 56), (32, 40), (6, 58), (9, 77), (54, 77), (41, 58), (78, 12), (60, 77), (81, 49), (13, 56), (2, 49), (57, 12), (36, 42), (82, 58), (86, 56), (79, 12), (10, 40), (29, 77), (49, 49), (25, 56), (11, 77), (3, 42), (53, 40), (5, 58), (15, 56), (48, 45), (34, 56), (71, 45), (88, 58), (68, 77), (40, 40)] current theta: 0.160847707915 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7360 rows and 7360 columns Presolve time: 0.01s Presolved: 651 rows, 739 columns, 1861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 739 integer (739 binary) Root relaxation: cutoff, 766 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 (766 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: 0.241271561872 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 6846 rows and 6846 columns Presolve time: 0.02s Presolved: 1165 rows, 1253 columns, 3403 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1253 integer (1253 binary) Root relaxation: objective 0.000000e+00, 1057 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 (1767 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 [3, 12, 18, 19, 45, 53, 61, 84, 88] edges [(53, 53), (75, 88), (33, 12), (76, 53), (8, 88), (59, 45), (43, 61), (55, 12), (4, 45), (61, 61), (45, 45), (3, 19), (17, 61), (69, 19), (51, 88), (70, 3), (39, 88), (26, 84), (46, 88), (80, 3), (58, 88), (31, 45), (74, 53), (44, 84), (40, 53), (87, 19), (2, 61), (73, 3), (84, 84), (38, 18), (35, 19), (67, 45), (65, 88), (22, 18), (30, 53), (71, 61), (16, 45), (62, 84), (15, 53), (66, 84), (57, 88), (7, 45), (68, 45), (56, 88), (54, 84), (1, 88), (85, 88), (60, 84), (41, 18), (47, 12), (63, 3), (81, 61), (11, 84), (88, 12), (24, 61), (83, 12), (49, 61), (32, 53), (20, 88), (78, 12), (6, 3), (82, 61), (5, 18), (64, 45), (18, 18), (14, 3), (36, 19), (79, 12), (19, 3), (27, 88), (50, 61), (10, 53), (23, 88), (28, 18), (34, 61), (9, 84), (77, 84), (37, 45), (13, 88), (12, 88), (25, 61), (72, 84), (48, 45), (29, 45), (86, 61), (42, 19), (0, 84), (52, 61), (21, 19)] current theta: 0.201059634893 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7120 rows and 7120 columns Presolve time: 0.01s Presolved: 891 rows, 979 columns, 2581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 979 integer (979 binary) Root relaxation: cutoff, 1066 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 (1066 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: 0.221165598383 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 6986 rows and 6986 columns Presolve time: 0.01s Presolved: 1025 rows, 1113 columns, 2983 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1113 integer (1113 binary) Root relaxation: objective 0.000000e+00, 993 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 (993 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 [3, 18, 35, 37, 43, 51, 53, 54, 83] edges [(53, 53), (76, 53), (49, 43), (2, 37), (64, 37), (67, 37), (35, 35), (60, 54), (79, 51), (8, 18), (25, 43), (78, 83), (23, 83), (71, 43), (70, 3), (58, 18), (0, 54), (82, 18), (68, 37), (48, 37), (29, 37), (80, 3), (1, 51), (84, 54), (77, 54), (74, 53), (27, 51), (40, 53), (33, 83), (59, 37), (73, 3), (38, 18), (45, 37), (34, 43), (15, 43), (22, 18), (30, 53), (42, 35), (55, 83), (21, 3), (51, 51), (50, 43), (17, 43), (11, 54), (44, 54), (36, 35), (83, 83), (43, 43), (41, 54), (61, 43), (63, 3), (85, 51), (37, 37), (54, 54), (52, 43), (9, 54), (75, 18), (26, 54), (32, 53), (65, 51), (3, 3), (16, 37), (88, 51), (47, 83), (6, 3), (87, 3), (46, 51), (69, 3), (5, 18), (18, 18), (4, 37), (12, 51), (14, 3), (56, 51), (7, 37), (19, 3), (62, 54), (10, 53), (86, 18), (28, 18), (39, 18), (72, 54), (13, 51), (81, 43), (57, 51), (66, 54), (31, 37), (24, 43), (20, 51)] current theta: 0.211112616638 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7044 rows and 7044 columns Presolve time: 0.01s Presolved: 967 rows, 1055 columns, 2809 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1055 integer (1055 binary) Root relaxation: cutoff, 1037 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 (1037 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: 0.21613910751 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7004 rows and 7004 columns Presolve time: 0.01s Presolved: 1007 rows, 1095 columns, 2929 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1095 integer (1095 binary) Root relaxation: cutoff, 1107 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 (1107 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: 0.218652352947 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 6994 rows and 6994 columns Presolve time: 0.01s Presolved: 1017 rows, 1105 columns, 2959 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1105 integer (1105 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 [3, 18, 35, 37, 43, 51, 53, 54, 83] edges [(53, 53), (76, 53), (49, 43), (2, 37), (64, 37), (67, 37), (35, 35), (60, 54), (79, 51), (8, 18), (25, 43), (78, 83), (23, 83), (71, 43), (70, 3), (58, 18), (0, 54), (82, 18), (68, 37), (48, 37), (29, 37), (80, 3), (1, 51), (84, 54), (77, 54), (74, 53), (27, 51), (40, 53), (33, 83), (59, 37), (73, 3), (38, 18), (45, 37), (34, 43), (15, 43), (22, 18), (30, 53), (42, 35), (55, 83), (21, 3), (51, 51), (50, 43), (17, 43), (11, 54), (44, 54), (36, 35), (83, 83), (43, 43), (41, 54), (61, 43), (63, 3), (85, 51), (37, 37), (54, 54), (52, 43), (9, 54), (75, 18), (26, 54), (32, 53), (65, 51), (3, 3), (16, 37), (88, 51), (47, 83), (6, 3), (87, 3), (46, 51), (69, 3), (5, 18), (18, 18), (4, 37), (12, 51), (14, 3), (56, 51), (7, 37), (19, 3), (62, 54), (10, 53), (86, 18), (28, 18), (39, 18), (72, 54), (13, 51), (81, 43), (57, 51), (66, 54), (31, 37), (24, 43), (20, 51)] current theta: 0.217395730229 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 6998 rows and 6998 columns Presolve time: 0.01s Presolved: 1013 rows, 1101 columns, 2947 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1101 integer (1101 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 [3, 18, 35, 37, 43, 51, 53, 54, 83] edges [(53, 53), (76, 53), (49, 43), (2, 37), (64, 37), (67, 37), (35, 35), (60, 54), (79, 51), (8, 18), (25, 43), (78, 83), (23, 83), (71, 43), (70, 3), (58, 18), (0, 54), (82, 18), (68, 37), (48, 37), (29, 37), (80, 3), (1, 51), (84, 54), (77, 54), (74, 53), (27, 51), (40, 53), (33, 83), (59, 37), (73, 3), (38, 18), (45, 37), (34, 43), (15, 43), (22, 18), (30, 53), (42, 35), (55, 83), (21, 3), (51, 51), (50, 43), (17, 43), (11, 54), (44, 54), (36, 35), (83, 83), (43, 43), (41, 54), (61, 43), (63, 3), (85, 51), (37, 37), (54, 54), (52, 43), (9, 54), (75, 18), (26, 54), (32, 53), (65, 51), (3, 3), (16, 37), (88, 51), (47, 83), (6, 3), (87, 3), (46, 51), (69, 3), (5, 18), (18, 18), (4, 37), (12, 51), (14, 3), (56, 51), (7, 37), (19, 3), (62, 54), (10, 53), (86, 18), (28, 18), (39, 18), (72, 54), (13, 51), (81, 43), (57, 51), (66, 54), (31, 37), (24, 43), (20, 51)] current theta: 0.21676741887 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:17 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7002 rows and 7002 columns Presolve time: 0.01s Presolved: 1009 rows, 1097 columns, 2935 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1097 integer (1097 binary) Root relaxation: objective 0.000000e+00, 1103 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 (1103 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 [3, 5, 36, 45, 51, 53, 54, 61, 83] edges [(53, 53), (76, 53), (59, 45), (43, 61), (4, 45), (61, 61), (22, 5), (45, 45), (19, 36), (60, 54), (28, 5), (50, 53), (79, 51), (78, 83), (23, 83), (38, 5), (39, 5), (70, 3), (35, 36), (0, 54), (5, 5), (46, 5), (80, 3), (1, 51), (84, 54), (31, 45), (36, 36), (77, 54), (74, 53), (42, 36), (75, 5), (27, 51), (40, 53), (18, 5), (33, 83), (2, 61), (73, 3), (67, 45), (30, 53), (71, 61), (55, 83), (21, 3), (16, 45), (17, 53), (51, 51), (7, 45), (11, 54), (68, 45), (44, 54), (86, 5), (83, 83), (41, 54), (63, 3), (58, 5), (81, 61), (85, 51), (54, 54), (24, 61), (9, 54), (49, 61), (26, 54), (32, 53), (65, 51), (3, 3), (88, 51), (15, 61), (47, 83), (6, 3), (82, 61), (87, 3), (69, 3), (64, 45), (12, 51), (14, 3), (56, 51), (8, 5), (62, 54), (10, 53), (34, 61), (72, 54), (37, 45), (25, 61), (13, 51), (48, 45), (57, 51), (29, 45), (66, 54), (52, 61), (20, 51)] current theta: 0.21645326319 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:18 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7004 rows and 7004 columns Presolve time: 0.01s Presolved: 1007 rows, 1095 columns, 2929 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1095 integer (1095 binary) Root relaxation: cutoff, 1107 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 (1107 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: 0.21661034103 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:18 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7002 rows and 7002 columns Presolve time: 0.01s Presolved: 1009 rows, 1097 columns, 2935 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1097 integer (1097 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 [3, 5, 36, 45, 51, 53, 54, 61, 83] edges [(53, 53), (76, 53), (59, 45), (43, 61), (4, 45), (61, 61), (22, 5), (45, 45), (19, 36), (60, 54), (28, 5), (50, 53), (79, 51), (78, 83), (23, 83), (38, 5), (39, 5), (70, 3), (35, 36), (0, 54), (5, 5), (46, 5), (80, 3), (1, 51), (84, 54), (31, 45), (36, 36), (77, 54), (74, 53), (42, 36), (75, 5), (27, 51), (40, 53), (18, 5), (33, 83), (2, 61), (73, 3), (67, 45), (30, 53), (71, 61), (55, 83), (21, 3), (16, 45), (17, 53), (51, 51), (7, 45), (11, 54), (68, 45), (44, 54), (86, 5), (83, 83), (41, 54), (63, 3), (58, 5), (81, 61), (85, 51), (54, 54), (24, 61), (9, 54), (49, 61), (26, 54), (32, 53), (65, 51), (3, 3), (88, 51), (15, 61), (47, 83), (6, 3), (82, 61), (87, 3), (69, 3), (64, 45), (12, 51), (14, 3), (56, 51), (8, 5), (62, 54), (10, 53), (34, 61), (72, 54), (37, 45), (25, 61), (13, 51), (48, 45), (57, 51), (29, 45), (66, 54), (52, 61), (20, 51)] current theta: 0.21653180211 Gurobi 5.0.1 (linux64) logging started Thu Nov 22 01:54:18 2012 Optimize a model with 8011 rows, 8099 columns and 23941 nonzeros Presolve removed 7002 rows and 7002 columns Presolve time: 0.01s Presolved: 1009 rows, 1097 columns, 2935 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1097 integer (1097 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 [3, 5, 36, 45, 51, 53, 54, 61, 83] edges [(53, 53), (76, 53), (59, 45), (43, 61), (4, 45), (61, 61), (22, 5), (45, 45), (19, 36), (60, 54), (28, 5), (50, 53), (79, 51), (78, 83), (23, 83), (38, 5), (39, 5), (70, 3), (35, 36), (0, 54), (5, 5), (46, 5), (80, 3), (1, 51), (84, 54), (31, 45), (36, 36), (77, 54), (74, 53), (42, 36), (75, 5), (27, 51), (40, 53), (18, 5), (33, 83), (2, 61), (73, 3), (67, 45), (30, 53), (71, 61), (55, 83), (21, 3), (16, 45), (17, 53), (51, 51), (7, 45), (11, 54), (68, 45), (44, 54), (86, 5), (83, 83), (41, 54), (63, 3), (58, 5), (81, 61), (85, 51), (54, 54), (24, 61), (9, 54), (49, 61), (26, 54), (32, 53), (65, 51), (3, 3), (88, 51), (15, 61), (47, 83), (6, 3), (82, 61), (87, 3), (69, 3), (64, 45), (12, 51), (14, 3), (56, 51), (8, 5), (62, 54), (10, 53), (34, 61), (72, 54), (37, 45), (25, 61), (13, 51), (48, 45), (57, 51), (29, 45), (66, 54), (52, 61), (20, 51)]