C11112331333132311331333133112111133132313232233132313231333231   >>    C1111233133313231133133313311211113313231323223313231323133323   <<    C11112331333132311331333133112111133132313232233132313231333233   >>      C11112331333132311331333133112111133132313232233132313231333232   >>