C11112331333132311331333133112111133132313232233133313231323331323132311211   >>    C1111233133313231133133313311211113313231323223313331323132333132313231121   <<    C11112331333132311331333133112111133132313232233133313231323331323132311213   >>      C11112331333132311331333133112111133132313232233133313231323331323132311212   >>