Хароу - Хейс и Йидинг Юн.

{"lg_-1":[1,0,0,1],"lg_-1_6":[1,0,0,1],"lg_251":[1,null,null,1],"lg_251_6":[1,null,null,1]}

{"lg_-1":[7,6,13,26],"lg_-1_6":[2,1,3,6],"lg_251":[7,6,12,25],"lg_251_6":[2,1,3,6],"lg_490":[null,null,1,1],"lg_490_6":[null,null,1,1]}

{"lg_-1":[14,6,9,29],"lg_-1_6":[3,2,1,6],"lg_251":[10,4,7,21],"lg_251_6":[3,2,1,6],"lg_46":[2,1,1,4],"lg_46_6":[2,1,1,4],"lg_490":[2,1,1,4],"lg_490_6":[2,1,1,4]}

{"lg_-1":[3,1,8,12],"lg_-1_6":[1,0,5,6],"lg_251":[3,1,8,12],"lg_251_6":[1,null,5,6]}

{"lg_-1":[6,3,4,13],"lg_-1_6":[4,1,1,6],"lg_251":[5,2,3,10],"lg_251_6":[4,null,2,6],"lg_46":[1,null,null,1],"lg_46_6":[1,null,null,1],"lg_490":[null,1,1,2],"lg_490_6":[null,1,1,2]}