C11112331333132311331333133112111133132313232233133313231321123223331   >>    C1111233133313231133133313311211113313231323223313331323132112322333   <<    C11112331333132311331333133112111133132313232233133313231321123223333   >>      C11112331333132311331333133112111133132313232233133313231321123223332   >>