Shade exactly four connected cells in each region to form an L, I, T or S tetromino. All shaded cells in the grid must connect to each other without forming a 2x2 block of shaded cells. Two tetrominoes of the same type must not share an edge.
Shade exactly four connected cells in each region to form an L, I, T or S tetromino. All shaded cells in the grid must connect to each other without forming a 2x2 block of shaded cells. Two tetrominoes of the same type must not share an edge.