A solution by opensourcefan (Time: 3.0s, Blocks used: +5)
Sky Tower
A solution by Ccx (Time: 4.0s, Blocks used: +4)
A solution by Tom (Time: 1.5s, Blocks used: +5)
A solution by me (Time: 1.7s, Blocks used: +1)
A solution by me (Time: 1.2s, Blocks used: +3)
A solution (Time: 1.5s, Blocks used: +3)
A solution by Grhm (Time: 3.0s, Blocks used: +1)
A solution by m (Time: 2.0s, Blocks used: +11)
A solution by m (Time: 2.0s, Blocks used: +9)
A solution by m (Time: 2.0s, Blocks used: +7)
A solution by T (Time: 1.4s, Blocks used: +13)
A solution by Zervman (Time: 2.4s, Blocks used: +22)
A solution by Jan (Time: 1.9s, Blocks used: +11)
A solution by fhf (Time: 2.8s, Blocks used: +2)
A solution by TalStar (Time: 2.0s, Blocks used: +2)
A solution by Curly (Time: 2.2s, Blocks used: +2)
A solution by Moww2 (Time: 2.5s, Blocks used: +1)
A solution by AceJay (Time: 2.2s, Blocks used: +11)
A solution by Q (Time: 1.7s, Blocks used: +5)
A solution by Plplpl (Time: 1.9s, Blocks used: +4)