C1232111311331322331313231323132333132333131323131333132323132313231121   >>    C123211131133132233131323132313233313233313132313133313232313231323112   <<    C1232111311331322331313231323132333132333131323131333132323132313231123   >>      C1232111311331322331313231323132333132333131323131333132323132313231122   >>