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

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

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

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

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