C11112331333132311331333133313331333132313233313331333131222131   >>    C1111233133313231133133313331333133313231323331333133313122213   <<    C11112331333132311331333133313331333132313233313331333131222133   >>      C11112331333132311331333133313331333132313233313331333131222132   >>