Can you solve it? Are you a matcha for these tasty Japanese puzzles?

Brain food from the land of the rising sums

UPDATE: Solutions are here

Japan is a world puzzle superpower. Its grid logic puzzles - like Sudoku, Kakuro, KenKen and many more - are played across the world by millions every day.

The country also has its own culture of mathematical puzzles, nurtured by the Academy of Recreational Mathematics, Japan, which was founded in 1979.