C222133313331333131123313231333133313331333132312111113331333212321311   >>    C22213331333133313112331323133313331333133313231211111333133321232131   <<    C222133313331333131123313231333133313331333132312111113331333212321313   >>      C222133313331333131123313231333133313331333132312111113331333212321312   >>