A solution by twijg (Time: 3.0s, Blocks used: +2)
A solution by Dug (Time: 1.3s, Blocks used: +4)
A solution by Devesh (Time: 3.3s, Blocks used: +1)
A solution by alexxx (Time: 1.5s, Blocks used: +8)
A solution by alexxx (Time: 1.1s, Blocks used: +5)
A solution by Draifor (Time: 3.3s, Blocks used: +1)
A solution by Stan (Time: 3.3s, Blocks used: +1)
A solution by Tixanou (Time: 2.4s, Blocks used: +1)
A solution by SPJ (Time: 3.3s, Blocks used: +1)
A solution by WolfUK (Time: 2.3s, Blocks used: +2)
A solution by WolfUK (Time: 1.6s, Blocks used: +1)
A solution by hipbreaker (Time: 2.2s, Blocks used: +1)
A solution by VictWorm (Time: 3.6s, Blocks used: +1)
A solution by Dial (Time: 3.3s, Blocks used: +1)
A solution by Creeper_Andi (Time: 3.3s, Blocks used: +1)
A solution by a (Time: 2.3s, Blocks used: +1)
A solution by attercop (Time: 4.7s, Blocks used: +1)
A solution by Knuth (Time: 3.7s, Blocks used: +1)
A solution by Bibsi (Time: 3.3s, Blocks used: +1)