C1232111311331322331313231323132333132333131323131333132313331313232321   >>    C123211131133132233131323132313233313233313132313133313231333131323232   <<    C1232111311331322331313231323132333132333131323131333132313331313232323   >>      C1232111311331322331313231323132333132333131323131333132313331313232322   >>