C222133313331333131123313231333133313331311111211111333132321311   >>    C22213331333133313112331323133313331333131111121111133313232131   <<    C222133313331333131123313231333133313331311111211111333132321313   >>      C222133313331333131123313231333133313331311111211111333132321312   >>