Gravity Marble Duel
The marble rolls right while gravity changes height by ±1. Two pulses reverse gravity. Stay between heights 0 and 3 and reach target (4,1).
Marble (0,1) · gravity 1 · pulses 2 · wall contacts 0
The marble rolls right while gravity changes height by ±1. Two pulses reverse gravity. Stay between heights 0 and 3 and reach target (4,1).