fillbiome ~ ~-10 ~ ~22 ~14 ~22 minecraft:snowy_slopes replace snowy_plains
fillbiome ~ ~-10 ~ ~22 ~14 ~22 minecraft:snowy_slopes replace snowy_taiga
fillbiome ~ ~-10 ~ ~22 ~14 ~22 minecraft:snowy_slopes replace grove
fillbiome ~ ~-10 ~ ~22 ~14 ~22 minecraft:snowy_slopes replace frozen_river