\N
[NULL]
1
1
[[1],[-1]]
\N
1
42	42
[NULL,'','',NULL]
\N
['abc','bc','c']
1
1
0
0	2
0
[[2,2],[2,2],[1,1],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2]]