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