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