hello	7
3
97	98	0
0
abc	5
false	string contains zeros
hello	14
10
4
5
7
2
120	121
false	data does not fit
2	0
0	2
hi	5
hi	5
5	7	hi	9	6
9
1	X	10
false	string_pack_sz:54: variable-length format
false	string_pack_sz:55: variable-length format
6
ab	52719	7