4
RRRRBBBBBBBBBBBYYYYYYYYYYBRRRRRGYYYBBRGGGRYYYGGGYYGGGGGGGBBBBBBRRRRRRRRGGGGGGGGGGGGGGGBYYYYYYYBBBBBBBBBBBYGGGGGGRRRYRRRRRRRRRRRRRRRYYYYYYYYYRRRRRRRRRGGGGBBGBBYYGGGGGRRRRRYYRRRRRRRBGGGGGBBBBBYYYGGGBBBB
RRRRRRRRRRRRYYYYYYYYYYYYYYYYYRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRBBBBBBBBBBBBBBBBBGGGGGGGGGGGGGGGGGGGGGGGGGGGGBBBBGGGGGGYYYBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
GGGGRRRRYBBBBBYRYYYYYYYYYYYYYRYRRRRRRRRGGGGGGGGBBBBBRRRGGGGGGGBRRGGGGRRRRRGGBBBYRRRRRRGGGGGGGGGBBRRRRRGYYYYYYYYYYYGGGGGGGGGGRRRRRBBBGGGYYYYYYYYYYYYYBRRRRRRRRRRYBBBBBBBBRGGYYYYYBBBBBYYYRRRRRRRRRRRRYYYY
YYYYYYYYYYYYYYYYYYYYYBBBRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRYYYYYYYYYYYYRRRRRRRRRGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGBBBBBBBBBYYYYYY