A solution by Maxito (Time: 1.5s, Blocks used: +19)
A solution by Notunderscore (Time: 1.4s, Blocks used: +6)
A solution by DNS4 (Time: 1.5s, Blocks used: +59)
A solution by mungo (Time: 1.4s, Blocks used: +23)
A solution by Lui (Time: 1.4s, Blocks used: +6)
A solution by Jor (Time: 1.5s, Blocks used: +13)
A solution by Lui (Time: 2.3s, Blocks used: +3)