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

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

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

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

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