sqlite3, 322 bytes

Result

WA

Duration

1007ms

Code [DL]

create table a(i integer);
.import /dev/stdin a
with v(i,j)as(select a.i,a2.i as j from a join a a2 on a2.rowid=2 limit 1),c(k)as(values(1)union all select k+1 from c limit (select i from v))select case when(k=1 or k=i)then replace(hex(zeroblob(j)),'00','*')else '*'||replace(hex(zeroblob(j-2)),'00',' ')||'*'end from v,c;

stdin

94
95

stdout

stderr

Error: near ".": syntax error