SUDOKU MONTHLY of February, 2017
contains the five issues of SUDOKU WEEKLY of week 5 to week 9.
Each week, there is a Sudoku for each day.
There are several kinds: apart from the familiar regular ones,
there are also MAGIC Sudoku's and DIAGONAL Sudoku's.
They are ordered from an easy, regular one on Monday
to a more difficult, diagonal one on Sunday.