split,ratio_class,pair_count train,10x+,23008 train,2x,8099 train,3x,4333 train,4x,3854 train,5x,2696 train,6x,2273 train,7x,1757 train,8x,1399 train,9x,1227 val,10x+,12651 val,2x,4372 val,3x,2764 val,4x,2101 val,5x,1694 val,6x,1478 val,7x,1121 val,8x,806 val,9x,719 test,10x+,11268 test,2x,4957 test,3x,2434 test,4x,2055 test,5x,1443 test,6x,1470 test,7x,1049 test,8x,811 test,9x,780