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