INT OK
tree empty
add 10 OK
add 9 OK
add 8 OK
add 7 OK
add 6 OK
add 5 OK
add 4 OK
add 3 OK
add 2 OK
add 1 OK
add 0 OK
size 11
print 
  1: 10
  2: 9 _
  3: 8 _
  4: 7 _
  5: 6 _
  6: 5 _
  7: 4 _
  8: 3 _
  9: 2 _
  10: 1 _
  11: 0 _
remove 0 OK
find 8 found
find 0 not found
print 
  1: 10
  2: 9 _
  3: 8 _
  4: 7 _
  5: 6 _
  6: 5 _
  7: 4 _
  8: 3 _
  9: 2 _
  10: 1 _
tree  1 2 3 4 5 6 7 8 9 10
clear OK
tree empty
add 5 OK
add 2 OK
add 3 OK
add 4 OK
add 1 OK
add 7 OK
add 6 OK
add 8 OK
add 10 OK
add 7 Error
add 9 OK
add 0 OK
print 
  1: 5
  2: 2 7
  3: 1 3 6 8
  4: 0 _ _ 4 _ 10
  5: 9 _
remove 0 OK
print 
  1: 5
  2: 2 7
  3: 1 3 6 8
  4: _ 4 _ 10
  5: 9 _
tree  1 2 3 4 5 6 7 8 9 10
STRING OK
tree empty
add not OK
add with OK
add dreams OK
add Die OK
size 4
find not found
find Die found
find dog not found
tree  Die dreams not with