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