Siren, Octal, Dumpy
by wooferzfg

Normal Sudoku rules apply.

There is a secret five digit number. The colored squares in a row, read left to right as a five digit number, represent a guess at the secret number:

Cells marked by a black dot must have a ratio of 2:1. Cells marked by a white dot must be consecutive. Not all dots are given.

Puzzle Links

Play on SudokuPad

Play on f-puzzles