pg_advisory_lock lock FAILURE / What does those numbers mean (process 240828 waits for ExclusiveLock on advisory lock [1167570,16820923,3422556162,1];)?

Hi Community,
I receive locking failure on pg_advisory_lock, I do deadlock condition and
receive following:
- - -
ERROR: deadlock detected
SQL state: 40P01
Detail: Process 240828 waits for ExclusiveLock on advisory lock [
*1167570,16820923,3422556162,1*]; blocked by process 243637.
Process 243637 waits for ExclusiveLock on advisory lock [
*1167570,16820923,3422556161,1*]; blocked by process 240828.
- - -
I do from Tx1:
select pg_advisory_lock(72245317596090369);
select pg_advisory_lock(72245317596090370);
and from Tx2:
select pg_advisory_lock(72245317596090370);
select pg_advisory_lock(72245317596090369);

where long key is following: 72245317596090369-> HEX 0x0100*AABBCC001001*
where 1st byte (highest significance "0x01") is namespace masked with MAC
Address " *AABBCC001001*", but in error i see 4 numbers - what is their
meaning?
I deducted that 2nd ( *16820923* .) HEX 0x100AABB, 1st half of long key)
and 3rd is ( *3422556161* -> HEX 0xCC001001, 2nd half of long key)
but what are 1st ( *1167570* ) and 4th (*1*) numbers?

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