19700 -12805 20174
  932  -118  -985
 -929  4645  -840
-19509  1858 -20318
-4039  3462  1946
-3940 -7880 -2784
 2885 -9809 -13316
-8655 -10963 -25712
-18580  2787 -19322
-19700 -20685 -16162
 -970   -26   929
 -526  -938   577