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

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

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

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

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