Here's r=4

/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~-1 {auto:1,Command:"scoreboard objectives add timer dummy Timer"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~1 {auto:1,Command:"scoreboard objectives add invCFruit dummy"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~-1 {auto:1,Command:"scoreboard objectives add counter dummy"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~1 {auto:1,Command:"scoreboard objectives setdisplay sidebar timer"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~-1 {auto:1,Command:"scoreboard teams add dark_green"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~1 {auto:1,Command:"scoreboard teams add green"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~-1 {auto:1,Command:"scoreboard teams add yellow"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~1 {auto:1,Command:"scoreboard teams add gold"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~-1 {auto:1,Command:"scoreboard teams add red"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~1 {auto:1,Command:"scoreboard teams add red"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~-1 {auto:1,Command:"scoreboard teams add dark_red"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~1 {auto:1,Command:"scoreboard teams option dark_red color dark_red"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~-1 {auto:1,Command:"scoreboard teams option red color red"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~1 {auto:1,Command:"scoreboard teams option gold color gold"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~ ~-1 {auto:1,Command:"scoreboard teams option yellow color yellow"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~ ~1 {auto:1,Command:"scoreboard teams option green color green"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~ ~-1 {auto:1,Command:"scoreboard teams option dark_green color dark_green"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~ ~1 {auto:1,Command:"scoreboard players add @a[score_timer=23999] timer 1"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~ ~-1 {auto:1,Command:"gamemode 3 @a[score_timer_min=24000]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~ ~1 {auto:1,Command:"scoreboard teams join dark_green @a[score_timer_min=0,score_timer=3999]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~ ~-1 {auto:1,Command:"scoreboard teams join green @a[score_timer_min=4000,score_timer=7999]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~ ~1 {auto:1,Command:"scoreboard teams join yellow @a[score_timer_min=8000,score_timer=11999]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~ ~-1 {auto:1,Command:"scoreboard teams join gold @a[score_timer_min=12000,score_timer=15999]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~ ~1 {auto:1,Command:"scoreboard teams join red @a[score_timer_min=16000,score_timer=19999]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~1 ~-1 {auto:1,Command:"scoreboard teams join dark_red @a[score_timer_min=20000,score_timer=24000]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~1 ~1 {auto:1,Command:"replaceitem entity @a[score_timer_min=1] slot.hotbar.1 chorus_fruit 64"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~1 ~-1 {auto:1,Command:"scoreboard players set @e[type=Item] invCFruit -1 {Item:{id:\\\"minecraft:chorus_fruit\\\"}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~1 ~1 {auto:1,Command:"entitydata @e[type=Item,score_invCFruit_min=-1] {PickupDelay:0}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~1 ~-1 {auto:1,Command:"scoreboard players add @e[type=Item] counter 1 "},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~1 ~1 {auto:1,Command:"execute @e[type=Item,score_counter_min=60] ~ ~ ~ tp @e[r=1,type=Item] @a[r=4]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~1 ~-1 {auto:1,Command:"scoreboard players reset @e[type=Item,score_counter_min=65] counter"},Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~6 ~1 ~-1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~8 ~ ~-1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~5 ~1 ~1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~8 ~ ~1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-1 ~-2 ~9 ~1 ~2 stained_glass 10 replace stained_hardened_clay 9,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~9 ~2 ~2 stained_hardened_clay 9 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}