init
0000000000000000 01000000 # Seqnum = 0, Count = 1
00 0161                   # DEL "a"
----

read-header
----
[seqNum=0,count=1]

set-seqnum 1052
----
00-08: x 1c04000000000000 # seqnum=1052
08-12: x 01000000         # count=1
12-15: x 00 0161          # DEL "a"

read-header
----
[seqNum=1052,count=1]

set-count 20
----
00-08: x 1c04000000000000 # seqnum=1052
08-12: x 14000000         # count=20
12-15: x 00 0161          # DEL "a"

read-header
----
[seqNum=1052,count=20]
