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

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

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

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

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