A solution by kitty (Time: 34.8s, Blocks used: +69)
A solution by Yru (Time: 17.9s, Blocks used: +36)
A solution by cs allen (Time: 2.3s, Blocks used: +98)
A solution by Uu (Time: 8.8s, Blocks used: +89)
A solution by Uu (Time: 9.6s, Blocks used: +53)