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

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

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

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

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