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

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

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

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

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