Summary of puzzles

Puzzle #1 Easy (Dễ)

Puzzle #2 Easy (Dễ)

Puzzle #3 Easy (Dễ)

Puzzle #4 Easy (Dễ)

Puzzle #5 Easy (Dễ)

Puzzle #6 Normal (Bình thường)

Puzzle #7 Normal (Bình thường)

Puzzle #8 Normal (Bình thường)

Puzzle #9 Normal (Bình thường)

Puzzle #10 Normal (Bình thường)

Puzzle #11 Difficult (Khó)

Puzzle #12 Difficult (Khó)

Puzzle #13 Difficult (Khó)

Puzzle #14 Difficult (Khó)

Puzzle #15 (Khó)

Puzzle #16 Super Hard (Siêu khó)

Puzzle #17 Super Hard (Siêu khó)

Puzzle #18 Super Hard (Siêu khó)

Puzzle #19 Super Hard (Siêu khó)

Puzzle #20 Super Hard (Siêu khó)