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

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

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

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

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