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

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

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

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

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