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

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

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

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

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