3 3 0 0 0 5 0 8 0 1 0 0 5 0 0 0 0 7 0 0 8 0 0 0 1 0 6 0 9 0 0 0 0 0 0 0 2 0 2 0 0 0 9 7 0 0 7 0 0 0 6 0 0 3 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 1 0 =========================== This one which is a variant of the one below with a couple of less values has 34,047 solutions (9-17 seconds to solve - 8 seconds for MSC release version, 9 seconds for ELJ C release version, and 17 for the MSC++ version). Take out the 8 in the middle row, third position and no of solutions goes up to 362,970 solutions taking 0:1:23 0:1:22 and 0:2:28 respectively. [MSC and ELJC are about the same] 3 3 0 0 0 5 0 8 0 1 0 0 5 0 0 0 0 7 0 0 8 0 0 0 1 0 6 0 9 0 0 0 0 0 0 0 2 0 2 8 0 0 9 7 0 0 7 0 0 0 6 0 0 3 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 1 0 ===================== Save Puzzles -copy above ====== --------------------- This one has quite a lot of solutions (567) but it also takes a relatively long time to solve for A single solution with 2275 blind alley searches for first solution --------------------- 3 3 0 0 0 5 0 8 0 1 0 0 5 0 0 0 0 7 0 0 8 9 0 0 1 0 6 0 9 0 0 0 0 0 0 0 2 0 2 8 0 0 9 7 0 0 7 0 0 0 6 2 0 3 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 2 1 0 -------------------------------------------------------- 14 Solutions to this one -------------------------------------------------------- 3 3 0 0 0 5 0 8 0 1 0 0 5 0 0 0 0 7 0 0 8 9 0 3 1 0 6 0 9 0 0 4 0 0 6 0 2 0 2 8 0 0 9 7 0 0 7 0 0 0 6 2 0 3 0 0 0 0 0 0 0 0 0 6 0 0 0 0 9 7 0 0 8 0 0 0 5 0 0 2 1 0 All values in lower left block removed will require some more searching for solutions. -------------------------------------------------------- original data - solvable by 1 call to fillInEasyCells() CT No 001 Level of Difficulty: 2 -------------------------------------------------------- 3 3 0 0 0 5 0 8 0 1 0 0 5 0 0 0 0 7 0 0 8 9 0 3 1 0 6 0 9 0 0 4 0 0 6 0 2 0 2 8 0 0 9 7 0 0 7 0 0 0 6 2 0 3 0 8 7 0 0 4 0 0 0 6 0 0 6 0 9 7 0 0 8 0 9 0 5 0 0 2 1 0 --------------------------------- Empty Grid - Too long for multi! But is solved without any blind Alleys being investigated! --------------------------------- 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ------------------------------- Full Grid - 1 solution of course -------------------------------- 3 3 6 7 9 5 4 8 2 1 1 4 5 6 2 8 9 7 3 2 8 9 7 3 1 4 6 5 9 3 1 4 7 5 6 8 2 6 2 8 3 1 9 7 5 4 7 5 4 8 6 2 1 3 9 8 7 2 1 4 3 5 9 6 5 1 6 2 9 7 3 4 8 4 9 3 5 8 6 2 1 7