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

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

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

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

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