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