(1, 10) (1, 11) (1, 12) (1, 13) (1, 14) (1, 15) (1, 16) (1, 17) (1, 18) (1, 19) (1, 20)
(2, 10) (2, 11) (2, 12) (2, 13) (2, 14) (2, 15) (2, 16) (2, 17) (2, 18) (2, 19) (2, 20)
(3, 10) (3, 11) (3, 12) (3, 13) (3, 14) (3, 15) (3, 16) (3, 17) (3, 18) (3, 19) (3, 20)
(4, 10) (4, 11) (4, 12) (4, 13) (4, 14) (4, 15) (4, 16) (4, 17) (4, 18) (4, 19) (4, 20)
(5, 10) (5, 11) (5, 12) (5, 13) (5, 14) (5, 15) (5, 16) (5, 17) (5, 18) (5, 19) (5, 20)
(6, 10) (6, 11) (6, 12) (6, 13) (6, 14) (6, 15) (6, 16) (6, 17) (6, 18) (6, 19) (6, 20)
(7, 10) (7, 11) (7, 12) (7, 13) (7, 14) (7, 15) (7, 16) (7, 17) (7, 18) (7, 19) (7, 20)
(8, 10) (8, 11) (8, 12) (8, 13) (8, 14) (8, 15) (8, 16) (8, 17) (8, 18) (8, 19) (8, 20)
(9, 10) (9, 11) (9, 12) (9, 13) (9, 14) (9, 15) (9, 16) (9, 17) (9, 18) (9, 19) (9, 20)
(10, 10) (10, 11) (10, 12) (10, 13) (10, 14) (10, 15) (10, 16) (10, 17) (10, 18) (10, 19) (10, 20)
(11, 10) (11, 11) (11, 12) (11, 13) (11, 14) (11, 15) (11, 16) (11, 17) (11, 18) (11, 19) (11, 20)
(12, 10) (12, 11) (12, 12) (12, 13) (12, 14) (12, 15) (12, 16) (12, 17) (12, 18) (12, 19) (12, 20)
(13, 10) (13, 11) (13, 12) (13, 13) (13, 14) (13, 15) (13, 16) (13, 17) (13, 18) (13, 19) (13, 20)
(14, 10) (14, 11) (14, 12) (14, 13) (14, 14) (14, 15) (14, 16) (14, 17) (14, 18) (14, 19) (14, 20)
(15, 10) (15, 11) (15, 12) (15, 13) (15, 14) (15, 15) (15, 16) (15, 17) (15, 18) (15, 19) (15, 20)
(16, 10) (16, 11) (16, 12) (16, 13) (16, 14) (16, 15) (16, 16) (16, 17) (16, 18) (16, 19) (16, 20)
(17, 10) (17, 11) (17, 12) (17, 13) (17, 14) (17, 15) (17, 16) (17, 17) (17, 18) (17, 19) (17, 20)
(18, 10) (18, 11) (18, 12) (18, 13) (18, 14) (18, 15) (18, 16) (18, 17) (18, 18) (18, 19) (18, 20)
(19, 10) (19, 11) (19, 12) (19, 13) (19, 14) (19, 15) (19, 16) (19, 17) (19, 18) (19, 19) (19, 20)
(20, 10) (20, 11) (20, 12) (20, 13) (20, 14) (20, 15) (20, 16) (20, 17) (20, 18) (20, 19) (20, 20)
(21, 10) (21, 11) (21, 12) (21, 13) (21, 14) (21, 15) (21, 16) (21, 17) (21, 18) (21, 19) (21, 20)
(22, 10) (22, 11) (22, 12) (22, 13) (22, 14) (22, 15) (22, 16) (22, 17) (22, 18) (22, 19) (22, 20)
(23, 10) (23, 11) (23, 12) (23, 13) (23, 14) (23, 15) (23, 16) (23, 17) (23, 18) (23, 19) (23, 20)
(24, 10) (24, 11) (24, 12) (24, 13) (24, 14) (24, 15) (24, 16) (24, 17) (24, 18) (24, 19) (24, 20)
(25, 10) (25, 11) (25, 12) (25, 13) (25, 14) (25, 15) (25, 16) (25, 17) (25, 18) (25, 19) (25, 20)
(26, 10) (26, 11) (26, 12) (26, 13) (26, 14) (26, 15) (26, 16) (26, 17) (26, 18) (26, 19) (26, 20)
(27, 10) (27, 11) (27, 12) (27, 13) (27, 14) (27, 15) (27, 16) (27, 17) (27, 18) (27, 19) (27, 20)
(28, 10) (28, 11) (28, 12) (28, 13) (28, 14) (28, 15) (28, 16) (28, 17) (28, 18) (28, 19) (28, 20)
(29, 10) (29, 11) (29, 12) (29, 13) (29, 14) (29, 15) (29, 16) (29, 17) (29, 18) (29, 19) (29, 20)
(30, 10) (30, 11) (30, 12) (30, 13) (30, 14) (30, 15) (30, 16) (30, 17) (30, 18) (30, 19) (30, 20)
(31, 10) (31, 11) (31, 12) (31, 13) (31, 14) (31, 15) (31, 16) (31, 17) (31, 18) (31, 19) (31, 20)
(32, 10) (32, 11) (32, 12) (32, 13) (32, 14) (32, 15) (32, 16) (32, 17) (32, 18) (32, 19) (32, 20)
(33, 10) (33, 11) (33, 12) (33, 13) (33, 14) (33, 15) (33, 16) (33, 17) (33, 18) (33, 19) (33, 20)
(34, 10) (34, 11) (34, 12) (34, 13) (34, 14) (34, 15) (34, 16) (34, 17) (34, 18) (34, 19) (34, 20)
(35, 10) (35, 11) (35, 12) (35, 13) (35, 14) (35, 15) (35, 16) (35, 17) (35, 18) (35, 19) (35, 20)
(36, 10) (36, 11) (36, 12) (36, 13) (36, 14) (36, 15) (36, 16) (36, 17) (36, 18) (36, 19) (36, 20)
(37, 10) (37, 11) (37, 12) (37, 13) (37, 14) (37, 15) (37, 16) (37, 17) (37, 18) (37, 19) (37, 20)
(38, 10) (38, 11) (38, 12) (38, 13) (38, 14) (38, 15) (38, 16) (38, 17) (38, 18) (38, 19) (38, 20)
(39, 10) (39, 11) (39, 12) (39, 13) (39, 14) (39, 15) (39, 16) (39, 17) (39, 18) (39, 19) (39, 20)
(40, 10) (40, 11) (40, 12) (40, 13) (40, 14) (40, 15) (40, 16) (40, 17) (40, 18) (40, 19) (40, 20)
(41, 10) (41, 11) (41, 12) (41, 13) (41, 14) (41, 15) (41, 16) (41, 17) (41, 18) (41, 19) (41, 20)
(42, 10) (42, 11) (42, 12) (42, 13) (42, 14) (42, 15) (42, 16) (42, 17) (42, 18) (42, 19) (42, 20)
(43, 10) (43, 11) (43, 12) (43, 13) (43, 14) (43, 15) (43, 16) (43, 17) (43, 18) (43, 19) (43, 20)
(44, 10) (44, 11) (44, 12) (44, 13) (44, 14) (44, 15) (44, 16) (44, 17) (44, 18) (44, 19) (44, 20)
(45, 10) (45, 11) (45, 12) (45, 13) (45, 14) (45, 15) (45, 16) (45, 17) (45, 18) (45, 19) (45, 20)
(46, 10) (46, 11) (46, 12) (46, 13) (46, 14) (46, 15) (46, 16) (46, 17) (46, 18) (46, 19) (46, 20)
(47, 10) (47, 11) (47, 12) (47, 13) (47, 14) (47, 15) (47, 16) (47, 17) (47, 18) (47, 19) (47, 20)
(48, 10) (48, 11) (48, 12) (48, 13) (48, 14) (48, 15) (48, 16) (48, 17) (48, 18) (48, 19) (48, 20)
(49, 10) (49, 11) (49, 12) (49, 13) (49, 14) (49, 15) (49, 16) (49, 17) (49, 18) (49, 19) (49, 20)
(50, 10) (50, 11) (50, 12) (50, 13) (50, 14) (50, 15) (50, 16) (50, 17) (50, 18) (50, 19) (50, 20)