ID PARENT TREE           STRINGS
 1      0 aaaa           qqqqqqqqqqqqqqqqqX
 2      1 |-bbb          dddddddddddddX
 5      2 | |-ee         ddddddddddddddddddddddddddX
 6      2 | `-ffff       jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjX
 3      1 |-ccccc        ffffffffffffffffffffffffffffffffffffffffX
 7      3 | `-gggggg     mmmmmmmmmmmmmmmmmmmX
 8      7 |   |-hhh      lllllllllllllllllllllllllllllllllllllX
 9      8 |   | `-iiiiii yyyyyyyyyyyyyyyyyyyyyyyyyyyyX
10      7 |   `-jj       pppppppppX
 4      1 `-dddddd       ssssssssssX
