Author/Opus: This is the 19th puzzle from guest contributor Murat Can Tonta.
Rules: Locate a snake (a 1 cell-wide path) in the grid whose head and tail are given. The snake can touch itself diagonally, but cannot touch itself orthogonally or revisit any square. Besides the snake, the remaining cells must form exactly nine white areas, one of each size from 1 to 9. Numbers in the grid must be part of white areas of the indicated size.
(Also see here: https://yureklis.wordpress.com/2012/07/02/snake-egg/)
Answer String: Enter the length in cells of each of the snake segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 3:15, Master = 4:15, Expert = 8:30