c1 c2 c3 s1 s2 s3 1 1 1 1 1 1 2 2 2 2 2 2 6 NULL NULL NULL NULL NULL c1 c2 c3 s1 s2 s3 1 1 1 1 1 1 c1 c2 c3 s1 s2 s3 1 1 1 1 1 1 2 2 2 2 2 2 c1 c2 c3 s1 s2 s3 1 1 1 1 1 1 c1 c2 c3 s1 s2 s3 2 2 2 2 2 2 3 3 3 3 3 3 4 1 1 1 1 1 5 99 99 99 99 99 6 NULL NULL NULL NULL NULL c1 c2 c3 s1 s2 s3 3 3 3 3 3 3 4 1 1 1 1 1 5 99 99 99 99 99 6 NULL NULL NULL NULL NULL c1 c2 c3 s1 s2 s3 c1 c2 c3 s1 s2 s3 1 1 1 1 1 1 1 1 1 1 1 1