( @check 1 99 3 99 ) 99 7 begin 6 over = if 0 print leave then 7 over = if 1 print leave then 8 over = if 2 print leave then ( default ) 3 print 1 until drop print 99 9 begin 6 over = if 0 print leave then 7 over = if 1 print leave then 8 over = if 2 print leave then ( default ) 3 print 1 until drop print