3 sub { '1st-1' . rec('000') },
8 sub { '1st-2' . rec('000') },
13 sub { '2nd-1:' . rec('000') },
15 sub { rec(210,'a') . rec('210','e') },
18 sub { '2nd-2:' . rec('000') },
20 sub { rec(220,'a') . rec('220','e') },
23 sub { '2nd-3:' . rec('000') },
25 sub { rec(230,'a') . rec('230','e') },
28 sub { "3rd:" . rec('000') },