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