setblock -72 27 201 oak_button[face=floor,facing=north,powered=false] 
setblock -67 22 203 slime_block destroy
kill @e[type=command_block_minecart,tag=level30]
summon command_block_minecart 0 1 -2 {Tags:["delay","level30"],PortalCooldown:40,Command:"setblock -67 22 203 stone destroy"}
