排序楼层，最少代码量
-- HUMAN RESOURCE MACHINE PROGRAM --

a:
INBOX
JUMPZ d
COPYTO [24]
b:
BUMPUP 24
JUMP a
c:
COPYFROM [12]
OUTBOX
COPYFROM [24]
COPYTO [12]
d:
BUMPDN 24
JUMPN b
COPYTO 13
e:
COPYTO 12
f:
BUMPDN 13
JUMPN c
COPYFROM [12]
SUB [13]
JUMPN f
COPYFROM 13
JUMP e