C11112331333132311331333133313331333132313233311232313331323331123232331   >>    C1111233133313231133133313331333133313231323331123231333132333112323233   <<    C11112331333132311331333133313331333132313233311232313331323331123232333   >>      C11112331333132311331333133313331333132313233311232313331323331123232332   >>