A solution by J (Time: 2.1s, Blocks used: +3)
A solution by Djean (Time: 3.2s, Blocks used: +3)
A solution by Djean (Time: 2.6s, Blocks used: +3)
A solution (Time: 1.5s, Blocks used: +3)
A solution by kszys (Time: 1.7s, Blocks used: +3)
A solution by Wasaabi (Time: 1.7s, Blocks used: +3)
A solution by Lui (Time: 2.0s, Blocks used: +3)