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