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

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

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

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

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