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

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

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

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

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