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

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

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

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

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