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

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

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

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

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