-cat > interleave.out <<EOF
-A B C D INA INB FIRST LAST
-- - - - --- --- ----- ----
-0 a A 1 0 1 1
-1 a B 1 0 1 0
-1 a C 1 0 0 0
-1 b N 0 1 0 1
-2 a D 1 0 1 1
-3 a E 1 0 1 0
-3 b O 0 1 0 1
-4 a F 1 0 1 0
-4 b P 0 1 0 1
-5 a G 1 0 1 0
-5 a H 1 0 0 1
-6 a I 1 0 1 0
-6 b Q 0 1 0 1
-7 a J 1 0 1 0
-7 a K 1 0 0 0
-7 a L 1 0 0 0
-7 b R 0 1 0 1
-8 a M 1 0 1 1
-9 b S 0 1 1 1
+cat > interleave.csv <<EOF
+Table: Data List
+A,B,C,D,INA,INB,FIRST,LAST
+0,a,A,,1,0,1,1
+1,a,B,,1,0,1,0
+1,a,C,,1,0,0,0
+1,b,,N,0,1,0,1
+2,a,D,,1,0,1,1
+3,a,E,,1,0,1,0
+3,b,,O,0,1,0,1
+4,a,F,,1,0,1,0
+4,b,,P,0,1,0,1
+5,a,G,,1,0,1,0
+5,a,H,,1,0,0,1
+6,a,I,,1,0,1,0
+6,b,,Q,0,1,0,1
+7,a,J,,1,0,1,0
+7,a,K,,1,0,0,0
+7,a,L,,1,0,0,0
+7,b,,R,0,1,0,1
+8,a,M,,1,0,1,1
+9,b,,S,0,1,1,1