13 being greater than 12 is not a property that's just for human vision. In Subversion a commit on a branch increments the global commit number.
Git doesn't have a concept of one commit being before or after another once you've branched, or any native mechanism for enforcing global state across branches.
Git doesn't have a concept of one commit being before or after another once you've branched, or any native mechanism for enforcing global state across branches.