if (x1 >= x2) { return diffBisectSplit(text1, text2, x1, y1, deadline); if (x1 >= x2) { return diffBisectSplit(text1, text2, x1, y1, deadline);
if (x1 >= x2) { return diffBisectSplit(text1, text2, x1, y1, deadline); if (x1 >= x2) { return diffBisectSplit(text1, text2, x1, y1, deadline);