Union Titus - UNA Strassen

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{"lg_-1":[7,3,3,13],"lg_-1_6":[5,1,0,6],"lg_218":[7,3,3,13],"lg_218_6":[5,1,null,6]}

{"lg_-1":[4,1,8,13],"lg_-1_6":[2,0,4,6],"lg_218":[4,1,8,13],"lg_218_6":[2,null,4,6]}

{"lg_-1":[3,1,2,6],"lg_-1_6":[3,1,2,6],"lg_218":[3,1,2,6],"lg_218_6":[3,1,2,6]}

{"lg_-1":[1,1,4,6],"lg_-1_6":[1,1,4,6],"lg_218":[1,1,4,6],"lg_218_6":[1,1,4,6]}