=begin output

C = (
   1   0   0   0   0   0
   0   1   0   0   0   0
   1   0   1   0   0   0
   0   2   0   1   0   0
   2   0   3   0   1   0
   0   5   0   4   0   1
)

U = (
   1   0   0   0   0   0
   0   2   0   0   0   0
  -1   0   4   0   0   0
   0  -4   0   8   0   0
   1   0 -12   0  16   0
   0   6   0 -32   0  32
)

=end output