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type="variables_declare"><field name="VAR">y3</field><field name="TYPE">long</field><value name="VALUE"><block type="math_number"><field name="NUM">0</field></block></value><next><block type="variables_declare"><field name="VAR">a1</field><field name="TYPE">long</field><value name="VALUE"><block type="math_number"><field name="NUM">0</field></block></value><next><block type="variables_declare"><field name="VAR">a2</field><field name="TYPE">long</field><value name="VALUE"><block type="math_number"><field name="NUM">0</field></block></value><next><block type="variables_declare"><field name="VAR">n</field><field name="TYPE">long</field><value name="VALUE"><block type="math_number"><field name="NUM">0</field></block></value></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>