You've come to our website, which offers answers for the Brain Test 4 game. This webpage with Brain Test 4 Solve the puzzle answers is the only source you need to quickly skip the challenging level. This game is made by developer Unico Studio, who except Brain Test 4 has also other wonderful and puzzling games.
Each line is numbered according to the number of digits. The question mark should be '1.' Drag the 1 on the top to the question mark's position.