Super hero sudoku

• Normal Sudoku Rules
Each row, column & 3x3 box contains the digits 1-9.
• Sandwich Rules
Outside clues are the sum of digits between the 1&9 in that row or column.
• Cell Clues
Letters in the corner of a cell give the value of the digit in that cell.
• Crypto Clues
Some of the sandwich clues have also been replaced with letters. Each letter represents a different digit from 0-9. The same letter represents the same number wherever it appears.

Use one of the following links to play online:

• CtC app
• Penpa+
• f-puzzles

If you are a member of the CtC discord you can rate the puzzle here