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

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

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

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

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