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