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

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

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

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

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