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

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

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

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

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