C1111233133313231133133313331333133311221123121111331333132313331323123231   >>    C111123313331323113313331333133313331122112312111133133313231333132312323   <<    C1111233133313231133133313331333133311221123121111331333132313331323123233   >>      C1111233133313231133133313331333133311221123121111331333132313331323123232   >>