(0 20 19)(1 21 18 16 3)(2 15 11 6 4)(5 12 9)(7 14 8)(10 17 13)
ALLOWS (11/8)-SEQUENCE
1: (0 2 15)
(0 11 6 4 2 20 19)(1 21 18 16 3)(5 12 9)(7 14 8)(10 17 13)(15)
2: (1 21 3)
(0 11 6 4 2 20 19)(1)(3 18 16)(5 12 9)(7 14 8)(10 17 13)(15)(21)
3: (2 20 11)
(0 11 19)(1)(2 6 4)(3 18 16)(5 12 9)(7 14 8)(10 17 13)(15)(20)(21)
4: (10 17 13)
(0 11 19)(1)(2 6 4)(3 18 16)(5 12 9)(7 14 8)(10)(13)(15)(17)(20)(21)