A solution by Lui (Time: 2.0s, Blocks used: +11)
A solution by little puppy (Time: 3.4s, Blocks used: +31)
A solution by Just.. (Time: 3.6s, Blocks used: +41)
A solution by bo_derrick (Time: 3.3s, Blocks used: +39)
A solution by L3S (Time: 3.7s, Blocks used: +81)
A solution by J (Time: 3.2s, Blocks used: +31)