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