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

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

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

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

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