sled    max depth
     cast  
     1     100.650000
     2     107.490000
     3     174.960000
     4     182.030000
     5     198.310000
     6     143.560000
     7     193.770000
     8     127.220000
     9     303.480000
     10     105.020000
     11     308.510000
     12     167.330000
     13     163.420000