{"ekkuk5oft4eq0ocpacknhwouic1uua46unx12l37nioq9wbpnocqks6", "ks6", 52},
	{"999f2xmimunbuyew5vrkla9cpwhmxan8o98ec", "98ec", 33},
	{"9lpt9r98i04k8bz6c6dsrthb96bhi", "96bhi", 24},
	{"55u558eqfaod2r2gu42xxsu631xf0zobs5840vl", "5840vl", 33},
	// cases with one byte strings - test special case in Index()
	{"", "a", -1},
	{"x", "a", -1},
	{"x", "x", 0},
	{"abc", "a", 0},
	{"abc", "b", 1},
	{"abc", "c", 2},