C1232111311331322331313231323132333132333131323131333132313331323121   >>    C123211131133132233131323132313233313233313132313133313231333132312   <<    C1232111311331322331313231323132333132333131323131333132313331323123   >>      C1232111311331322331313231323132333132333131323131333132313331323122   >>