<?xml version="1.0" encoding="UTF-8"?><problem type="termination" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xtc.xsd"><trs><rules><rule><lhs><funapp><name>f</name><arg><funapp><name>f</name><arg><funapp><name>f</name><arg><var>X</var></arg><arg><funapp><name>f</name><arg><var>Y</var></arg><arg><funapp><name>a</name></funapp></arg></funapp></arg></funapp></arg><arg><var>Z</var></arg></funapp></arg><arg><var>P</var></arg></funapp></lhs><rhs><funapp><name>f</name><arg><funapp><name>f</name><arg><funapp><name>f</name><arg><funapp><name>f</name><arg><funapp><name>a</name></funapp></arg><arg><var>P</var></arg></funapp></arg><arg><var>Y</var></arg></funapp></arg><arg><var>X</var></arg></funapp></arg><arg><var>Z</var></arg></funapp></rhs></rule></rules><signature><funcsym><name>a</name><arity>0</arity></funcsym><funcsym><name>f</name><arity>2</arity></funcsym></signature></trs><strategy>FULL</strategy></problem>
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