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

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

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

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

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