** cat                             ** cat
search_cat_brute read_ops=3        search_cat_brute read_ops=3
search_cat_BM_v1 read_ops=3      | search_cat_BM_v2 read_ops=3
** caz                             ** caz
search_cat_brute read_ops=3        search_cat_brute read_ops=3
search_cat_BM_v1 read_ops=1      | search_cat_BM_v2 read_ops=1
**  cat                            **  cat
search_cat_brute read_ops=4        search_cat_brute read_ops=4
search_cat_BM_v1 read_ops=4      | search_cat_BM_v2 read_ops=4
** cat                             ** cat 
search_cat_brute read_ops=3        search_cat_brute read_ops=3
search_cat_BM_v1 read_ops=3      | search_cat_BM_v2 read_ops=3
** caxc                            ** caxc
search_cat_brute read_ops=4        search_cat_brute read_ops=4
search_cat_BM_v1 read_ops=1      | search_cat_BM_v2 read_ops=1
** ccxc                            ** ccxc
search_cat_brute read_ops=4        search_cat_brute read_ops=4
search_cat_BM_v1 read_ops=1      | search_cat_BM_v2 read_ops=1
** cxtca                           ** cxtca
search_cat_brute read_ops=4        search_cat_brute read_ops=4
search_cat_BM_v1 read_ops=2      | search_cat_BM_v2 read_ops=2
** tat                             ** tat
search_cat_brute read_ops=1        search_cat_brute read_ops=1
search_cat_BM_v1 read_ops=3      | search_cat_BM_v2 read_ops=3
** cacat                           ** cacat
search_cat_brute read_ops=7        search_cat_brute read_ops=7
search_cat_BM_v1 read_ops=5      | search_cat_BM_v2 read_ops=4
** cac cat                         ** cac cat
search_cat_brute read_ops=10       search_cat_brute read_ops=10
search_cat_BM_v1 read_ops=5      | search_cat_BM_v2 read_ops=5
** cac cac cat                     ** cac cac cat
search_cat_brute read_ops=17       search_cat_brute read_ops=17
search_cat_BM_v1 read_ops=7      | search_cat_BM_v2 read_ops=7
** horse turtle cat                ** horse turtle cat
search_cat_brute read_ops=16       search_cat_brute read_ops=16
search_cat_BM_v1 read_ops=8      | search_cat_BM_v2 read_ops=8
** horse cat turtle                ** horse cat turtle
search_cat_brute read_ops=9        search_cat_brute read_ops=9
search_cat_BM_v1 read_ops=5      | search_cat_BM_v2 read_ops=5
** cat turtle horse                ** cat turtle horse
search_cat_brute read_ops=3        search_cat_brute read_ops=3
search_cat_BM_v1 read_ops=3      | search_cat_BM_v2 read_ops=3