Milkshakes solutions

Milkshakes was solved using Ruby by 4 contestants. Solution sizes: average 1261 bytes (shortest: 699; longest: 1959).

164.

irori (S, L) (699 B)
281.

alchematon (S, L) (1421 B)
605.

Urakagi (L) (1959 B)
706.

badcarl (S) (1367 B)