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

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

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

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

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