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

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

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

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

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