OSS '20 VS HSC '21

{"lg_-1":[5,0,0,5],"lg_-1_6":[5,0,0,5],"lg_680":[5,null,null,5],"lg_680_6":[5,null,null,5]}

{"lg_-1":[3,1,2,6],"lg_-1_6":[3,1,2,6],"lg_680":[3,1,2,6],"lg_680_6":[3,1,2,6]}

{"lg_-1":[0,2,4,6],"lg_-1_6":[0,2,4,6],"lg_680":[null,1,4,5],"lg_680_6":[null,1,4,5],"lg_216":[null,1,null,1],"lg_216_6":[null,1,null,1]}

{"lg_-1":[2,1,0,3],"lg_-1_6":[2,1,0,3],"lg_680":[2,1,null,3],"lg_680_6":[2,1,null,3]}

{"lg_-1":[0,1,2,3],"lg_-1_6":[0,1,2,3],"lg_680":[null,1,2,3],"lg_680_6":[null,1,2,3]}