(2 + 3) + 4 - 2 + (3 + 4), (1 + 5) + 2 - 1 + (5 + 2), (6 + 2) + 3 - 6 + (2 + 3), (4 + 1) + 7 - 4 + (1 + 7),

Leaderboard

Visual style

Options

Switch template

Continue editing: ?