Here is a boring level:
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BB000000000000000000000000000BB B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00Y00000000000000000000000W00B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B B00000000000000000000000000000B BB000000000000000000000000000BB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB