summon minecraft:creeper ~ ~-2 ~ {Motion:[-0.4,0.5,0.4],Tags:["NoMobMent"]}
summon minecraft:creeper ~ ~-2 ~ {Motion:[0.4,0.5,-0.4],Tags:["NoMobMent"]}
summon minecraft:creeper ~ ~-2 ~ {Motion:[-0.4,0.5,-0.4],Tags:["NoMobMent"]}
summon minecraft:creeper ~ ~-2 ~ {Motion:[0.4,0.5,0.4],Tags:["NoMobMent"]}