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

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

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

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

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