Aerobics solutions

Aerobics was solved using Ruby by 4 contestants. Solution sizes: average 1347 bytes (shortest: 715; longest: 2032).

854.

Zr40 (S, L) (919 B)
878.

beetree (S, L) (1749 B)
1812.

uru (S) (715 B)
1822.

Nickle (S) (2032 B)