C1232111311331322331313231323132333132333131323131333132313232323221   >>    C123211131133132233131323132313233313233313132313133313231323232322   <<    C1232111311331322331313231323132333132333131323131333132313232323223   >>      C1232111311331322331313231323132333132333131323131333132313232323222   >>