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