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