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