import java.util.regex.*;
 
class Uni {
	static final Pattern pattern =
	    Pattern.compile("^(?:.(?=.*+\\n(\\1?+.).*+\\n(\\2?+.).*+\\n(\\3?+.)))*?"
	        + "...A.*+\\n\\1?+..A.*+\\n\\2?+.A.*+\\n\\3?+A", Pattern.MULTILINE);
	public static void main (String[] args) {
		String test = "0000000\n" +
					"0000000\n" +
					"000A000\n" +
					"00AB000\n" +
					"AAAB000\n" +
					"ABBB000";
		System.out.println(pattern.matcher(test).find());
	}
}

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