Meaning of sandwich sudoku | Babel Free
Definitions
A sudoku variant where numbers outside the grid indicate the sum of the digits sandwiched between the digits 1 and 9 in the corresponding row or column.
countable, uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.