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

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

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

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

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