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