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