The camp's lantern strings are tangled. Tapping one lantern flips it and its four neighbors. Light every lantern on each string. Three strings, exact fewest taps shown, no timer.
Each round shows a grid of lanterns (o lit, . dark). Command press r c flips the lantern at row r, column c and its up/down/left/right neighbors. A round ends when every lantern is lit. Round score: 100 points, minus 5 for every tap beyond the exact fewest (never below 0). Three rounds: 4x4, 5x5, 5x5, max 300.
Commands: press 2 3 (tap the lantern at row 2, column 3), reset (start this round over), show, help. Rows and columns are 1-based. Separate commands with semicolons. Invalid commands change nothing.