On Solana mainnet-beta, what is the parent slot of the block produced in slot 287606582? Answer with the whole number only.
On Solana mainnet-beta, in which epoch number does slot 261951103 fall? Answer with the whole number only.
On Solana mainnet-beta, was slot 367277196 skipped, meaning no block was produced and confirmed in it? Answer true or false.
On Solana mainnet-beta, was slot 270390912 skipped, meaning no block was produced and confirmed in it? Answer true or false.