n class='op'>)</span>
</div><div class='output co'>#&gt;     chunk  runtime
#&gt;  1:    47 3493.187
#&gt;  2:    51 3593.783
#&gt;  3:    37 3598.573
#&gt;  4:    33 3599.900
#&gt;  5:    70 3493.489
#&gt;  6:    53 3598.723
#&gt;  7:    71 3491.366
#&gt;  8:    48 3491.841
#&gt;  9:    52 3597.483
#&gt; 10:    54 3587.877
#&gt; 11:    68 3499.779
#&gt; 12:    72 3489.223
#&gt; 13:    55 3583.526
#&gt; 14:    69 3496.272
#&gt; 15:    73 3483.829
#&gt; 16:    46 3519.591
#&gt; 17:    50 3599.943
#&gt; 18:  