Sudoku X also called Diagonal Sudoku.The puzzle is a 8x8 grid made up of 4x2 subgrids (called "regions").Some cells already contain numbers, known as "givens".T

Sudoku X also called Diagonal Sudoku.The puzzle is a 8x8 grid made up of 4x2 subgrids (called "regions").Some cells already contain numbers, known as "givens".T

Sudoku X also called Diagonal Sudoku.The puzzle is a 8x8 grid made up of 4x2 subgrids (called "regions").Some cells already contain numbers, known as "givens".T

Sudoku X also called Diagonal Sudoku.The puzzle is a 8x8 grid made up of 4x2 subgrids (called "regions").Some cells already contain numbers, known as "givens".T

Sudoku X also called Diagonal Sudoku.The puzzle is a 8x8 grid made up of 4x2 subgrids (called "regions").Some cells already contain numbers, known as "givens".T