static ROOMLENGTH: i32 = 1600 - 20;
static ROOMDEPTH: i32 = 1200 - 20;

static PLAY: i32 = 20;
static ROOMLENGTH: i32 = 1600 - PLAY;
static ROOMDEPTH: i32 = 1200 - PLAY;

    println!("Room dimensions: {} x {} mm", ROOMLENGTH + PLAY, ROOMDEPTH + PLAY);
    println!("Plank play: {} mm", PLAY);