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