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