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

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

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

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

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