C11112331333132311331333131333132313231323132333132313231323121   >>    C1111233133313231133133313133313231323132313233313231323132312   <<    C11112331333132311331333131333132313231323132333132313231323123   >>      C11112331333132311331333131333132313231323132333132313231323122   >>