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

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

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

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

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