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