Logic Brain Game

Logic Brain Game is a mathematical puzzle game.
Place the pieces (snails or birds) in the designated fields (circles) by moving them in a straight line (right, left, up, down).
Snails jump only over one pawn onto an empty space.
Birds can jump over more than one piece.
All the tasks are divided into 5 categories of dimension (4x4, 5x5, 6x6, 7x7, 8x8).
Each group has 100 - 100000 levels.
"Solution" button is available without restriction.