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

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

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

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

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