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

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

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

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

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