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