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

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

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

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

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