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

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

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

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

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