Parse successful
<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:dap4/test_array_7.xml" dapVersion="4.0" dmrVersion="1.0" name="test_array_7">
    <Dimension name="row" size="4"/>
    <Dimension name="col" size="5"/>
    <Sequence name="s">
        <Int32 name="i1">
            <Dim name="/row"/>
            <Dim name="/col"/>
        </Int32>
        <String name="s"/>
    </Sequence>
</Dataset>

<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:dap4/test_array_7.xml" dapVersion="4.0" dmrVersion="1.0" name="test_array_7">
    <Sequence name="s">
        <Int32 name="i1">
            <Dim size="1"/>
            <Dim size="1"/>
        </Int32>
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>19f0a861</Value>
        </Attribute>
    </Sequence>
</Dataset>

The data:
{ { { {{123456789}} }, { {{123456789}} }, { {{123456789}} }, { {{123456789}} } } }