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