Univ de Chile - O Higgins

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{"lg_-1":[3,1,5,9],"lg_-1_6":[1,1,4,6],"lg_122":[3,1,5,9],"lg_122_6":[1,1,4,6]}

{"lg_-1":[4,1,4,9],"lg_-1_6":[3,0,3,6],"lg_122":[4,1,4,9],"lg_122_6":[3,null,3,6]}