A solution by Cat (Time: 3.0s, Blocks used: 3)
Crossover
A solution by Tom (Time: 2.0s, Blocks used: 1)
A solution by Grandpa (Time: 6.1s, Blocks used: 4)
A solution by Simon (Time: 5.9s, Blocks used: 5)
A solution by Maureen (Time: 2.7s, Blocks used: 11)
A solution by jacob (Time: 2.4s, Blocks used: 6)
A solution by cf (Time: 2.8s, Blocks used: +5)
A solution by AndyB (Time: 8.2s, Blocks used: +3)
A solution by andycockers (Time: 3.9s, Blocks used: +1)
A solution by sbi (Time: 10.5s, Blocks used: +6)
A solution by Hello (Time: 3.3s, Blocks used: +1)
A solution by Stefan (Time: 3.3s, Blocks used: +1)
A solution by fox (Time: 3.1s, Blocks used: +9)
A solution by dc363 (Time: 3.3s, Blocks used: +4)
A solution by dc363 (Time: 3.3s, Blocks used: +3)
A solution by Phanou (Time: 8.4s, Blocks used: +6)
A solution by g4b (Time: 4.0s, Blocks used: +1)
A solution by hevy (Time: 2.9s, Blocks used: +3)