First, you need to find a block to obtain 5 account number.

Once you have, you go to accounts explorer, click the explore accounts with one of my wallet keys.

Then you'll see all the accounts that belong to you.

Single click on one of them (with coins), go to project top left, new operation, click transaction, enter the account number you want to transfer the coins to, enter the amount and click execute, yes, ok !

That's it ! wait for the transaction to confirm !