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

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

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

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

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