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

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

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

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

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