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

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

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

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

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