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

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

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

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

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