Puzzle No. 450 : Product Sudoku [Daily League]

Update – Oops. Looks like I forgot to add the variation rules!

Remember that you can solve the puzzles from the League online on the Sudokucup Guest League page with a 24h delay.

Rules for Sudoku. In each gray square of four cells, the two bottom cells make up a two-digit number which is the product of the two digits in the upper cells.

Rated – Easy.