A solution by fdelapena (Time: 2.3s, Blocks used: +1)
A solution by GuidoL (Time: 4.2s, Blocks used: +11)
A solution by Ryn (Time: 2.8s, Blocks used: +12)
A solution by J (Time: 1.8s, Blocks used: +1)
A solution by Djean (Time: 2.3s, Blocks used: +1)
A solution by Ela (Time: 2.4s, Blocks used: +4)
A solution by Maxito (Time: 2.1s, Blocks used: +4)
A solution by Maxito (Time: 2.1s, Blocks used: +3)
A solution by Lui (Time: 2.8s, Blocks used: +1)
A solution by 好人 (Time: 4.2s, Blocks used: +2)
A solution by Hugh man (Time: 2.5s, Blocks used: +3)
A solution by bo_derrick (Time: 2.2s, Blocks used: +5)