Therefore with hindsight, for this election, if you voted:
Ken Livingstone or Boris Johnson as first choice and an another as second then you your first choice meant something but your second choice didn't.
If you voted an another as first choice and Ken Livingstone or Boris Johnson as second choice then it tipped the balance in this election if your second choice was Boris Johnston, or not Ken Livingstone.
Therefore with hindsight, for this election, if you voted:
Ken Livingstone or Boris Johnson as first choice and an another as second then you your first choice meant something but your second choice didn't.
If you voted an another as first choice and Ken Livingstone or Boris Johnson as second choice then it tipped the balance in this election if your second choice was Boris Johnston, or not Ken Livingstone.