Table_1:1, 6, 11, 16, ..., 19996
Table_2:2, 7, 12, 17, ..., 19997
Table_3:3, 8, 13, 18, ..., 19998
Table_4:4, 9, 14, 19, ..., 19999
Table_5:5, 10, 15, 20, .., 20000
Table_6:1, 6, 11, 16, ..., 19996
etc.