First commit - v2 - level 2 - Drag drop
Reverse drag drop
Added pages for level 2
Updated level 2, sample 2
Updated level 2, sample 4
Updated level 2, sample 1
Updated level 2, sample 1
Updated level 2, sample 1
Updated level 2, sample 1
Added level 3
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, puzzle
Level 3, sample 1
Level 3, sample 1