(0 17 2)(1 4 3)(5 11 9)(6 20 8)(7 19 12)(10 15 13)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (1 7 19)
(0 17 2)(1 12 7 4 3)(5 11 9)(6 20 8)(10 15 13)(14 18 16)(19)
2: (0 17 2)
(0)(1 12 7 4 3)(2)(5 11 9)(6 20 8)(10 15 13)(14 18 16)(17)(19)
3: (1 12 3)
(0)(1)(2)(3 7 4)(5 11 9)(6 20 8)(10 15 13)(12)(14 18 16)(17)(19)
4: (6 20 8)
(0)(1)(2)(3 7 4)(5 11 9)(6)(8)(10 15 13)(12)(14 18 16)(17)(19)(20)