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

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

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

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

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