объясните почему программа работает не совсем корректно, а валидацию проходит. выводит следующий результат

Waiting for Horse_01 Horse_01 has finished the race! Horse_02 has finished the race! Horse_03 has finished the race! Horse_07 has finished the race! Horse_08 has finished the race! Waiting for Horse_03 Waiting for Horse_04 Horse_06 has finished the race! Horse_09 has finished the race! Horse_10 has finished the race! Horse_04 has finished the race! Horse_05 has finished the race! Process finished with exit code 0 третья лошадь финишировала, а затем мы ее ожидаем. либо я чего-то не понял