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