0-1, 1-1, 1-2, 1-3, 2-3, 2-4, 2-5, 2-6, 2-7, 2-8, 2-9, 3-9, 4-9, 5-9, 5-10, 6-10, 6-11, 7-11, 8-11, 8-12, 9-12, 9-13, 10-13, 10-14, 10-15, 11-15, 11-16, 12-16, 13-16, 13-17, 13-18, 13-19, 13-20, 13-21, 13-22.
0-1, 1-1, 1-2, 1-3, 2-3, 2-4, 2-5, 2-6, 2-7, 2-8, 2-9, 3-9, 4-9, 5-9, 5-10, 6-10, 6-11, 7-11, 8-11, 8-12, 9-12, 9-13, 10-13, 10-14, 10-15, 11-15, 11-16, 12-16, 13-16, 13-17, 13-18, 13-19, 13-20, 13-21, 13-22.