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