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

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

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

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

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