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

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

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

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

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