s&ot?tarak?????ihs!.&a&kok?m&a&hagan?yirom??ihsakat??rabiam?wagoton??e&miharot?nokih??houyr?i&azaihsin?esok?kustakat?moihsagih??na&mihcahimo?nok??o&hsia?mag?t&asoyot?ok?tir???us&ay?t&asuk?o??????k&aso!.&a&d&awihsik?eki??k&a&noyot?s&akaayahihc?oihsagih???oadat?uziak??m&ayas!akaso??odak??r&a&bustam?wihsak??ediijuf??t&akarih?i&k?us???wag&ayen?odoyihsagih???e&son?tawanojihs??honim?i&akas?h&cugirom?s&ayabadnot?i&a&kat?t??n??oyimusihsagih???k&a&rabi?sim??ustakat??muzi?r&ijat?otamuk???nan&ak?n&ah?es???...

	{"fofofofofoofofoffofoobarfoo", "foobars", -1},
	{"foofyfoobarfoobar", "y", 4},
	{"oooooooooooooooooooooo", "r", -1},
	{"oxoxoxoxoxoxoxoxoxoxoxoy", "oy", 22},
	{"oxoxoxoxoxoxoxoxoxoxoxox", "oy", -1},
	// test fallback to Rabin-Karp.
	{"000000000000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000001", 5},
}

var lastIndexTests = []BinOpTest{
	{"", "", 0},