Graves with Only One Command

summon falling_block ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:falling_block,Block:redstone_block,Time:1,Passengers:[{id:falling_block,Block:activator_rail,Time:1,Passengers:[{id:commandblock_minecart,Command:"gamerule commandBlockOutput false"},{id:commandblock_minecart,Command:"fill ~-2 ~-3 ~2 ~-8 ~-1 ~-2 cobblestone 0 hollow"},{id:commandblock_minecart,Command:"fill ~-2 ~-2 ~2 ~-8 ~-2 ~-2 stained_glass 8 0 cobblestone"},{id:commandblock_minecart,Command:" scoreboard objectives add grab deathCount"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a [\"\",{\"text\":\"Check out my \"},{\"text\":\"YT-Channel \",\"color\":\"dark_red\"},{\"text\":\"right -> \",\"color\":\"none\"},{\"text\":\"HERE\",\"color\":\"green\",\"bold\":true,\"underlined\":true,\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://www.YouTube.com/TheCreativeSimon\"}}]"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" title @a times 20 100 20"},{id:commandblock_minecart,Command:" title @a subtitle {\"text\":\"by Creative Simon\",\"color\":\"dark_red\"}"},{id:commandblock_minecart,Command:" title @a title {\"text\":\"Grabsteine\",\"color\":\"aqua\"}"},{id:commandblock_minecart,Command:"setblock ~-1 ~-3 ~ wall_sign 5 0 {Text1:\"{\\\"text\\\":\\\"============\\\"}\",Text2:\"{\\\"text\\\":\\\"Click to destroy\\\"}\",Text3:\"{\\\"text\\\":\\\"this Machine\\\"}\",Text4:\"{\\\"text\\\":\\\"============\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~-8 ~ ~-2 ~-1 ~2 ~2 air\\\"}}\"}"},{id:commandblock_minecart,Command:"setblock ~-1 ~-2 ~ wall_sign 5 0 {Text1:\"{\\\"text\\\":\\\"\\\"}\",Text2:\"{\\\"text\\\":\\\"Grabsteine\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"italic\\\":true}\",Text3:\"{\\\"text\\\":\\\"by Creative Simon\\\",\\\"color\\\":\\\"dark_red\\\"}\",Text4:\"{\\\"text\\\":\\\"\\\"}\"}"},{id:commandblock_minecart,Command:"fill ~-7 ~-2 ~-1 ~-3 ~-2 ~1 chain_command_block 4"},{id:commandblock_minecart,Command:"setblock ~-7 ~-2 ~-1 chain_command_block 1"},{id:commandblock_minecart,Command:"setblock ~-3 ~-2 ~ chain_command_block 2"},{id:commandblock_minecart,Command:"fill ~-7 ~-2 ~ ~-4 ~-2 ~ chain_command_block 5"},{id:commandblock_minecart,Command:"setblock ~-7 ~-2 ~1 chain_command_block 2"},{id:commandblock_minecart,Command:"setblock ~-3 ~-2 ~1 repeating_command_block 4"},{id:commandblock_minecart,Command:"blockdata ~-7 ~-2 ~-1 {auto:1,Command:\"kill @e[type=armor_stand,tag=grab,score_grab_min=20] \"}"},{id:commandblock_minecart,Command:"blockdata ~-6 ~-2 ~-1 {auto:1,Command:\"execute @e[type=armor_stand,tag=grab,score_grab_min=20] ~ ~ ~ fill ~ ~-2 ~ ~-1 ~-2 ~ hopper\"}"},{id:commandblock_minecart,Command:"blockdata ~-5 ~-2 ~-1 {auto:1,Command:\"execute @e[type=armor_stand,tag=grab] ~ ~ ~ tp @e[type=Item,r=3] @s\"}"},{id:commandblock_minecart,Command:"blockdata ~-4 ~-2 ~-1 {auto:1,Command:\"scoreboard players add @e[type=armor_stand,tag=grab] grab 1\"}"},{id:commandblock_minecart,Command:"blockdata ~-3 ~-2 ~-1 {auto:1,Command:\"execute @e[type=armor_stand,tag=grab] ~ ~ ~ fill ~ ~-3 ~ ~-1 ~-3 ~ chest\"}"},{id:commandblock_minecart,Command:"blockdata ~-3 ~-2 ~ {auto:1,Command:\"scoreboard players set @a[score_grab_min=1] grab 0\"}"},{id:commandblock_minecart,Command:"blockdata ~-4 ~-2 ~ {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ summon armor_stand ~-1 ~ ~ {Tags:[\\\"grab\\\"],Invisible:1,NoGravity:1}\"}"},{id:commandblock_minecart,Command:"blockdata ~-5 ~-2 ~ {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ blockdata ~-1 ~1 ~ {Text1:\\\"[\\\\\\\"\\\\\\\"]\\\",Text2:\\\"[\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"Hier liegt:\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"dark_blue\\\\\\\"}]\\\",Text3:\\\"[\\\\\\\"\\\\\\\",{\\\\\\\"selector\\\\\\\":\\\\\\\"@a[score_grab_min=1]\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"dark_red\\\\\\\",\\\\\\\"underlined\\\\\\\":true}]\\\"}\"}"},{id:commandblock_minecart,Command:"blockdata ~-6 ~-2 ~ {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ setblock ~-1 ~1 ~ wall_sign 4\"}"},{id:commandblock_minecart,Command:"blockdata ~-7 ~-2 ~ {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ summon armor_stand ~-1.5 ~-2 ~ {NoGravity:1,Invisible:1,HandItems:[{id:\\\"minecraft:red_flower\\\",Count:1b},{}],Pose:{RightArm:[180f,90f,0f]}}\"}"},{id:commandblock_minecart,Command:"blockdata ~-7 ~-2 ~1 {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ fill ~ ~-1 ~ ~-2 ~-1 ~ grass_path 0\"}"},{id:commandblock_minecart,Command:"blockdata ~-6 ~-2 ~1 {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ fill ~-2 ~1 ~1 ~ ~1 ~1 air\"}"},{id:commandblock_minecart,Command:"blockdata ~-5 ~-2 ~1 {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ fill ~-2 ~1 ~-1 ~ ~1 ~-1 air\"}"},{id:commandblock_minecart,Command:"blockdata ~-4 ~-2 ~1 {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ fill ~-2 ~ ~ ~-1 ~1 ~ air\"}"},{id:commandblock_minecart,Command:"blockdata ~-3 ~-2 ~1 {auto:1,Command:\"execute @a[score_grab_min=1] ~ ~ ~ fill ~-2 ~ ~-1 ~ ~1 ~1 cobblestone_wall\"}"},{id:commandblock_minecart,Command:"setblock ~ ~ ~1 command_block 0 0 {Command:\"fill ~ ~-3 ~-1 ~ ~ ~ air\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-1 ~1 redstone_block"},{id:commandblock_minecart,Command:"kill @e[type=commandblock_minecart,r=1]"}]}]}]}