The 3-Colour Sudoku Challenge

Today's puzzle has been recommended by Mark (!) - it's called Snakes On A Plane and it's the work of Dying Flutchman. Feel free to try the bonus challenge too... You can play it here:

https://app.crackingthecryptic.com/sudoku/Dgtf7gGM4L

Rules:
Normal sudoku rules apply. The grid is completely covered by 17 killer snakes! One snake of length 9, and two snakes each of length 1 through 8. A snake is 1 cell wide, and has exactly one single bend somewhere along its length (except the 1- and 2-length snakes). Numbers don't repeat within a snake. The nine given numbers in the corners give the total sum of digits in the snake that occupies that cell. These 'killer clues' apply to nine differently-sized snakes. Find the snakes and solve the sudoku.

Bonus: Complete the grid using only 3 colours.

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Watch Tantan Dai solve Glum Hippo's Average Arrow puzzle on Patreon here + play Scott Strosahl's new sudoku challenge!

https://www.patreon.com/crackingthecryptic

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Видео The 3-Colour Sudoku Challenge канала Cracking The Cryptic