==== t1 ====
t1

==== t2 ====
t2

==== t3 ====
t3

==== t4 ====
t4

==== t5 ====
t5

==== t6 ====
t6

==== t7 ====
t7

==== t8 ====
t8

==== t9 ====
t9

==== t10 ====
t10

==== t11 ====
t11

==== t12 ====
t12
dc: stack empty
dc: stack empty

==== t13 ====
t13

==== t14 ====
t14

==== t15 ====
t15

==== t16 ====
t16

==== t17 ====
t17

==== t18 ====
t18

==== t19 ====
t19

==== t20 ====
t20

==== t21 ====
t21

==== t22 ====
t22

==== t23 ====
t23

==== t24 ====
t24

==== t25 ====
t25

==== t26 ====
t26

==== t27 ====
t27

==== t28 ====
t28