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

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

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

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

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