One-Command Pocket Circle

summon falling_block ~ ~1 ~ {BlockState:{Name:redstone_block},Passengers:[{id:falling_block,BlockState:{Name:activator_rail}},{id:command_block_minecart,Command:"say it works!"},{id:command_block_minecart,Command:"setblock ~2 ~-2 ~ minecraft:command_block[conditional=false,facing=up]{Command:'summon minecraft:armor_stand ~ ~4 ~ {NoGravity:1b,ArmorItems:[{},{},{},{count:1,id:\"minecraft:end_rod\"}]}',}"},{id:command_block_minecart,Command:'setblock ~2 ~-1 ~ minecraft:repeating_command_block[conditional=false,facing=up]{Command:"execute as @n[nbt={ArmorItems:[{},{},{},{count:1,id:\'minecraft:end_rod\'}]}] at @s run tp @s ~ ~ ~ ~5 ~"}'},{id:command_block_minecart,Command:'setblock ~2 ~ ~ minecraft:chain_command_block[facing=up]{auto:1b,Command:"execute as @n[nbt={ArmorItems:[{},{},{},{count:1,id:\'minecraft:end_rod\'}]}] at @s run summon minecraft:item_display ^ ^ ^3 {item:{id:\'minecraft:sand\'}}",}'},{id:command_block_minecart,Command:'setblock ~2 ~1 ~ minecraft:chain_command_block[facing=up]{auto:1b,Command:\'execute as @e[type=minecraft:item_display] at @s run tp @s ~ ~ ~ facing entity @n[nbt={ArmorItems:[{},{},{},{count:1,id:"minecraft:end_rod"}]}]\'}'},{id:command_block_minecart,Command:'setblock ~1 ~-1 ~ lever[face=wall,facing=west]'},{id:command_block_minecart,Command:"setblock ~ ~1 ~ command_block{Command:\"fill ~ ~ ~ ~ ~-3 ~ air\",auto:1}"},{id:command_block_minecart,Command:"execute align xyz run kill @e[type=command_block_minecart,dy=0]"}]}