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

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

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

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

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