A solution by manpage mutti (Time: 3.2s, Blocks used: +3)
A solution by kitty (Time: 1.9s, Blocks used: +3)
A solution by Shadow Hog (Time: 1.9s, Blocks used: +2)
A solution by deadmorose (Time: 2.1s, Blocks used: +3)
A solution by edent (Time: 2.6s, Blocks used: +3)
A solution by Karl Murks (Time: 1.8s, Blocks used: +2)
A solution by Em (Time: 1.6s, Blocks used: +1)
A solution by cs allen (Time: 2.0s, Blocks used: +1)
A solution by Tuorum (Time: 1.4s, Blocks used: +3)
A solution by HowBasketyCompound (Time: 1.6s, Blocks used: +1)
A solution by Yes! (Time: 2.1s, Blocks used: +2)
A solution by Yes! (Time: 2.3s, Blocks used: +2)
A solution by Djean (Time: 1.5s, Blocks used: +2)
A solution by Djean (Time: 2.0s, Blocks used: +1)
A solution by Noodlemire (Time: 1.8s, Blocks used: +1)
A solution by Lui (Time: 1.6s, Blocks used: +1)
A solution by 好人 (Time: 2.0s, Blocks used: +2)
A solution by Just.. (Time: 1.5s, Blocks used: +3)
A solution by Whammo (Time: 1.6s, Blocks used: +1)
A solution by bo_derrick (Time: 1.4s, Blocks used: +3)