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

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

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

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

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