C112122131333131323132313221323132313331323131123313233313231323223313232222231   >>    C11212213133313132313231322132313231333132313112331323331323132322331323222223   <<    C112122131333131323132313221323132313331323131123313233313231323223313232222233   >>      C112122131333131323132313221323132313331323131123313233313231323223313232222232   >>