Weekly Assassin Killer Sudoku

Killer Sudoku is an interesting variant of Sudoku that has gained a lot of popularity lately. The combination of the logic of Sudoku with the arithmetic of the sums provides that extra level of difficulty that many advanced Sudoku players were waiting for.

SudoCue.net presents a weekly Killer Sudoku. In the best of our tradition, this killer is a true Assassin. Don't turn your back on it.

Assassin 84 for the week starting Friday January 4, 2008

This Assassin has a symmetry that you do not usually see in Sudoku. The difficulty is average for an Assassin, but it needs a nice variety of techniques. A V2.38 is ready for the forum...

The vague line below is a code string that you can select, copy and paste in SumoCue. Other programs also support this format.

3x3::k:4352:3073:3073:3073:5892:4613:4613:4613:4872:4352:4352:4363:5892:5892:5892:2831:4872:4872:2834:2834:4363:4363:5892:2831:2831:1817:1817:4635:4636:4636:4636:3871:3104:3104:3104:3875:4635:4635:4902:3871:3871:3871:4906:3875:3875:1837:1837:4902:4902:3871:4906:4906:3124:3124:4150:3383:3383:3383:7738:3131:3131:3131:4414:4150:4150:3393:7738:7738:7738:4933:4414:4414:3144:3144:3393:3393:7738:4933:4933:847:847: