Four b

Four bFour bFour bFour b
Four bFour bFour bFour bFour bFour bFour bFour b
Four bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour b
Four bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour bFour b
Four bFour bFour bFour bFour bFour bFour bFour b