RUN: grep '^8' @file | @cli cellToChildren -r 11 -f json -p
CHECK: "parent": "8a1fb4662d47fff"
CHECK: "8b1fb4662d40fff"
CHECK: "8b1fb4662d41fff"
CHECK: "8b1fb4662d42fff"
CHECK: "8b1fb4662d43fff"
CHECK: "8b1fb4662d44fff"
CHECK: "8b1fb4662d45fff"
CHECK: "8b1fb4662d46fff"
8a1fb4662d47fff
CHECK: "parent": "8b1fb4662d43fff"
CHECK: "8b1fb4662d43fff"
8b1fb4662d43fff
CHECK: "parent": "8c1fb4662d465ff"
CHECK: "children": null
8c1fb4662d465ff