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

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

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

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

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