summon armor_stand -362 -60 14 {NoGravity:1b,Silent:1b,Invulnerable:1b,Marker:1b,Invisible:1b,equipment:{head:{id:"minecraft:blue_banner",count:1}},Tags:["blueflag","flag"]}
summon armor_stand -362 -60 4 {NoGravity:1b,Silent:1b,Invulnerable:1b,Marker:1b,Invisible:1b,equipment:{head:{id:"minecraft:red_banner",count:1}},Tags:["redflag","flag"]}

fill -336 -48 -20 -365 -59 37 air replace gravel

fill -353 -59 9 -350 -50 9 gravel replace air