C11112331333132311331333133313331333132312323133313231333112111121   >>    C1111233133313231133133313331333133313231232313331323133311211112   <<    C11112331333132311331333133313331333132312323133313231333112111123   >>      C11112331333132311331333133313331333132312323133313231333112111122   >>