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

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

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

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

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