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

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

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

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

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