execute at @a[tag=K] run fill ~-15 -64 ~-15 ~15 -64 ~15 red_concrete replace blue_concrete
execute at @a[tag=K] run fill ~-15 -64 ~-15 ~15 -64 ~15 blue_concrete replace green_concrete
execute at @a[tag=K] run fill ~-15 -64 ~-15 ~15 -64 ~15 green_concrete replace yellow_concrete

execute at @a[tag=K] run fill ~-30 -64 ~-30 ~30 -64 ~30 blue_concrete replace magenta_concrete
execute at @a[tag=K] run fill ~-43 -64 ~-43 ~43 -64 ~43 magenta_concrete replace orange_concrete
execute at @a[tag=K] run fill ~-45 -64 ~-45 ~45 -64 ~45 orange_concrete replace bedrock
execute at @a[tag=K,predicate=!suhc:overworld] run fill ~-55 0 ~-55 ~55 0 ~55 bedrock replace orange_concrete