    <?xml version="1.0" ?>
    <lamarc>
        <data>
            <region name="from chrom1.mig">
                <spacing>
                    <block name="segment 1 of chrom1.mig" />
                </spacing>
                <population name="North">
                    <individual name="n_ind0_a">
                        <sample name="n_ind0_a_0">
                            <datablock type="DNA"> ccccccAcc </datablock>
                        </sample>
                    </individual>
                    <individual name="n_ind0_b">
                        <sample name="n_ind0_b_0">
                            <datablock type="DNA"> TcccccAcc </datablock>
                        </sample>
                    </individual>
                    <individual name="n_ind1_a">
                        <sample name="n_ind1_a_0">
                            <datablock type="DNA"> ccccccTcc </datablock>
                        </sample>
                    </individual>
                    <individual name="n_ind1_b">
                        <sample name="n_ind1_b_0">
                            <datablock type="DNA"> TcccccTcc </datablock>
                        </sample>
                    </individual>
                    <individual name="n_ind2_a">
                        <sample name="n_ind2_a_0">
                            <datablock type="DNA"> ccccccGcc </datablock>
                        </sample>
                    </individual>
                    <individual name="n_ind2_b">
                        <sample name="n_ind2_b_0">
                            <datablock type="DNA"> TcccccGcc </datablock>
                        </sample>
                    </individual>
                </population>
                <population name="South">
                    <individual name="s_ind0_a">
                        <sample name="s_ind0_a_0">
                            <datablock type="DNA"> cTccTcccc </datablock>
                        </sample>
                    </individual>
                    <individual name="s_ind0_b">
                        <sample name="s_ind0_b_0">
                            <datablock type="DNA"> ccccTcccc </datablock>
                        </sample>
                    </individual>
                    <individual name="s_ind1_a">
                        <sample name="s_ind1_a_0">
                            <datablock type="DNA"> cTccccccc </datablock>
                        </sample>
                    </individual>
                    <individual name="s_ind1_b">
                        <sample name="s_ind1_b_0">
                            <datablock type="DNA"> ccccccccc </datablock>
                        </sample>
                    </individual>
                </population>
            </region>
        </data>
    </lamarc>