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

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

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

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

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