C222133313331333131123313231333133313331333132331211331323223313232213233311   >>    C22213331333133313112331323133313331333133313233121133132322331323221323331   <<    C222133313331333131123313231333133313331333132331211331323223313232213233313   >>      C222133313331333131123313231333133313331333132331211331323223313232213233312   >>