C half

C halfC halfC halfC half
C halfC halfC halfC halfC halfC halfC halfC half
C halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC half
C halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC halfC half
C halfC halfC halfC halfC halfC halfC halfC half