Perpetual Motion solutions

Perpetual Motion was solved using Python by 4 contestants. Solution sizes: average 2288 bytes (shortest: 702; longest: 4563).

linguo (S, L) (3116 B)
72.

Klinck (S, L) (1796 B)
121.

lidaobing (S) (1730 B)
239.

zibada (S) (702 B)