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