# type topo
# cell     1.596200     1.596200     1.191200    90.000000    90.000000    90.000000
4
  1 y      0.444542    0.444542    0.000000   0                             2/13      3/13      3/12      3/10       3/9      4/13       4/3       4/4      4/12 
  2 y      1.151658    1.151658    0.000000   0                             1/13      3/13      3/12      3/21      3/22      4/13      4/16      4/15      4/12 
  3 y      0.353558    1.242642    0.595600   0                             1/13      1/14      1/16      1/17      2/13      2/14       2/5       2/4       4/7 
  4 y      1.242642    0.353558    0.595600   0                             1/13      1/23      1/22      1/14      2/13      2/10      2/11      2/14      3/19