Union Nettetal VS Uerdingen

{"lg_-1":[1,0,2,3],"lg_-1_6":[1,0,2,3],"lg_637":[1,null,2,3],"lg_637_6":[1,null,2,3]}

{"lg_-1":[8,7,9,24],"lg_-1_6":[2,2,2,6],"lg_637":[8,7,9,24],"lg_637_6":[2,2,2,6]}

{"lg_-1":[13,4,6,23],"lg_-1_6":[4,1,1,6],"lg_637":[13,4,6,23],"lg_637_6":[4,1,1,6]}

{"lg_-1":[5,4,3,12],"lg_-1_6":[2,3,1,6],"lg_637":[5,4,3,12],"lg_637_6":[2,3,1,6]}

{"lg_-1":[4,3,3,10],"lg_-1_6":[4,1,1,6],"lg_637":[4,3,3,10],"lg_637_6":[4,1,1,6]}