Tapa Line Expert

Tapa Line Puzzle Rules:

• Empty squares can be filled black to become black areas, and all black squares must be connected as a whole.

• There cannot be four consecutive black squares in any row or column.

• Clue squares marked with numbers cannot be filled black. The numbers represent the number of consecutive black squares in the eight surrounding squares.

• If there are multiple numbers in a clue square, the parts consisting of these black squares must be separated by at least one white square.

• Question marks (?) can replace numbers, representing any non-zero positive integer.