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

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

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

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

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