4×4 Easy Mathdoku 4×4 Mathdoku Puzzles 4×4 Easy 10 puzzles available 🧩 4×4 Easy #1 B → 🧩 4×4 Easy #2 B → 🧩 4×4 Easy #3 B → 🧩 4×4 Easy #4 B → 🧩 4×4 Easy #5 B → 🧩 4×4 Easy #6 B → 🧩 4×4 Easy #7 B → 🧩 4×4 Easy #8 B → 🧩 4×4 Easy #9 B → 🧩 4×4 Easy #10 B →