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

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

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

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

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