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

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

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

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

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