JAPANESE SUMMO or Sums (QC-18)

"JAPANESE SUMMO or Sums" Puzzle Instructions

Place digits 1~9 in the grid so that no row or column contains the same digit more than once. The numbers outside the grid indicate the sums of the digit groups in that row or column and in the given order. Sums should be separated by at least one black cell.

"JAPANESE SUMMO or Sums" Puzzles