Univ de Chile - Cobresal

{"lg_-1":[20,6,5,31],"lg_-1_6":[4,1,1,6],"lg_122":[20,6,5,31],"lg_122_6":[4,1,1,6]}

{"lg_-1":[2,3,1,6],"lg_-1_6":[2,3,1,6],"lg_122":[2,3,1,6],"lg_122_6":[2,3,1,6]}

{"lg_-1":[2,0,4,6],"lg_-1_6":[2,0,4,6],"lg_122":[2,null,4,6],"lg_122_6":[2,null,4,6]}

{"lg_-1":[1,2,0,3],"lg_-1_6":[1,2,0,3],"lg_122":[1,2,null,3],"lg_122_6":[1,2,null,3]}

{"lg_-1":[1,0,2,3],"lg_-1_6":[1,0,2,3],"lg_122":[1,null,2,3],"lg_122_6":[1,null,2,3]}