1<?xml version="1.0" encoding="UTF-8"?> 2<out>: Test for source tree numbering 3: Level A 41: Level B 5: Level C 61: Level D 71: Level E 81-1: Level E, again 91: Level E, again 10: Level A 111: Level B 12: Level C 131: Level D 141: Level E 151-1: Level E, again 162: Level D 172: Level E 182-1: Level E, again 192: Level E, again 20: Level C 211: Level D 222: Level B 23</out>