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

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

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

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

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