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

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

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

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

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