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

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

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

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

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