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

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

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

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

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