test.xml

<?xml version="1.0"?>


<sol>
    <domain_name>blabl</domain_name>

    <initial_state>
        <var1>1</var1>
        <var2>henry</var2>
    </initial_state>

    <begin_step>
        <id>0</id>
        <pair>
            <HA_id>-1</HA_id>
            <HA>PASSIVE['BEGIN']</HA>
            <RA_id>-2</RA_id>
            <RA>PASSIVE['BEGIN']</RA>
            <step>
                <id>1</id>
                <pair>
                    <HA_id>1</HA_id>
                    <HA>pick('r1')</HA>
                    <RA_id>2</RA_id>
                    <RA>place('l1', 'r1')</RA>
                    <best_rank>-1</best_rank>
                    <step>
                        <id>2</id>
                        <pair>
                            <HA_id>1</HA_id>
                            <HA>PASSIVE['IDLE']</HA>
                            <RA_id>2</RA_id>
                            <RA>PASSIVE['IDLE']</RA>
                            <metrics>6-6-6-10-1</metrics>
                        </pair>
                    </step>
                </pair>
                <pair>
                    <HA_id>3</HA_id>
                    <HA>pick('o1')</HA>
                    <RA_id>4</RA_id>
                    <RA>place('l2', 'o2')</RA>
                    <best_rank>-1</best_rank>
                    <step>
                        <id>3</id>
                        <pair>
                            <HA_id>1</HA_id>
                            <HA>PASSIVE['IDLE']</HA>
                            <RA_id>2</RA_id>
                            <RA>PASSIVE['IDLE']</RA>
                            <metrics>7-7-7-10-1</metrics>
                        </pair>
                    </step>
                </pair>
            </step>
        </pair>
    </begin_step>

</sol>