make packed ice

summon MinecartCommandBlock ~ ~2 ~ {Command:"kill @e[type=MinecartCommandBlock,c=20]",Riding:{id:MinecartCommandBlock,Command:"setblock ~3 ~ ~ command_block 0 replace {Command:\"fill ~ ~ ~ ~-1 ~ ~ air\"}",Riding:{id:MinecartCommandBlock,Command:"setblock ~2 ~ ~ command_block 0 replace {Command:\"fill ~-2 ~ ~ ~-2 ~-2 ~ air\"}",Riding:{id:MinecartCommandBlock,Command:"setblock ~ ~-3 ~2 command_block 0 replace {Command:\"fill ~2 ~2 ~-3 ~5 ~2 ~-1 air\"}",Riding:{id:MinecartCommandBlock,Command:"tellraw @a [{text:\"System installed using \",color:yellow},{text:\"tryashtar's \",color:gold,bold:true},{text:\"Command Compactor!\",color:yellow,underlined:true,clickEvent:{action:open_url,value:\"http://redd.it/37x0a7\"},hoverEvent:{action:show_text,value:{text:\"Click to check it out!\"}}}]",Riding:{id:MinecartCommandBlock,Command:"scoreboard objectives add crushable dummy",Riding:{id:MinecartCommandBlock,Command:"scoreboard objectives add iceitem dummy",Riding:{id:MinecartCommandBlock,Command:"blockdata ~3 ~-1 ~-1 {Command:\"scoreboard players set @e[type=Item] iceitem 0\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~3 ~-1 ~1 {Command:\"scoreboard players set @e[type=Item] iceitem 1 {Item:{id:\\\"minecraft:ice\\\",Count:4b}}\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~4 ~-1 ~-1 {Command:\"scoreboard players set @e[type=Item,score_iceitem_min=1] crushable 0\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~4 ~-1 ~1 {Command:\"scoreboard players set @e[type=Item,score_iceitem_min=1] crushable 1 {OnGround:1b}\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~5 ~-1 ~-1 {Command:\"execute @e[type=Item,score_iceitem_min=1,score_crushable_min=1] ~ ~ ~ detect ~ ~ ~ piston_head 0 summon Item ~ ~ ~ {PickupDelay:10,Item:{id:packed_ice,Count:1}}\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~5 ~-1 ~1 {Command:\"execute @e[type=Item,score_iceitem_min=1,score_crushable_min=1] ~ ~ ~ detect ~ ~ ~ piston_head 0 kill @e[type=Item,c=1]\"}",Riding:{id:MinecartCommandBlock,Command:"setblock ~2 ~-1 ~ redstone_block",Riding:{id:MinecartCommandBlock,Command:"blockdata ~2 ~-1 ~1 {Command:\"fill ~ ~ ~-1 ~3 ~ ~-1 redstone_block\"}",Riding:{id:MinecartCommandBlock,Command:"blockdata ~2 ~-1 ~-1 {Command:\"fill ~ ~ ~1 ~3 ~ ~1 stone\"}",Riding:{id:MinecartCommandBlock,Command:"fill ~2 ~-1 ~1 ~5 ~-1 ~1 command_block",Riding:{id:MinecartCommandBlock,Command:"fill ~2 ~-1 ~-1 ~5 ~-1 ~-1 command_block",Riding:{id:MinecartCommandBlock,Command:"gamerule commandBlockOutput false",Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Time:1,Block:activator_rail,Riding:{id:FallingSand,Time:1,Block:redstone_block,Riding:{id:FallingSand,Time:1,Block:lapis_block}}}}}}}}}}}}}}}}}}}}}}}