C1111233133313231133133313331333133313231323112331333132223333311   >>    C111123313331323113313331333133313331323132311233133313222333331   <<    C1111233133313231133133313331333133313231323112331333132223333313   >>      C1111233133313231133133313331333133313231323112331333132223333312   >>