C11112331333132311331333133313331323133313331333133311221123231   >>    C1111233133313231133133313331333132313331333133313331122112323   <<    C11112331333132311331333133313331323133313331333133311221123233   >>      C11112331333132311331333133313331323133313331333133311221123232   >>