Union Perg VS Mondsee

{"lg_-1":[3,1,2,6],"lg_-1_6":[3,1,2,6],"lg_712":[3,1,2,6],"lg_712_6":[3,1,2,6]}

{"lg_-1":[2,0,4,6],"lg_-1_6":[2,0,4,6],"lg_712":[2,null,4,6],"lg_712_6":[2,null,4,6]}

{"lg_-1":[2,1,3,6],"lg_-1_6":[2,1,3,6],"lg_712":[2,1,3,6],"lg_712_6":[2,1,3,6]}

{"lg_-1":[2,0,1,3],"lg_-1_6":[2,0,1,3],"lg_712":[2,null,1,3],"lg_712_6":[2,null,1,3]}

{"lg_-1":[0,0,3,3],"lg_-1_6":[0,0,3,3],"lg_712":[null,null,3,3],"lg_712_6":[null,null,3,3]}