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