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