GET /websocket/ HTTP/1.1
Connecti!on: upgrade
Upgrade: websocket
Sec-Websocket-Key: abcde
Sec-Websocket-Version: 1world 2

--:ARK--
held 1

--MARK--
hello world 1

--MARK--
hello wor(d 3

--MARK--
hello world 4

--MARK-- world 9

--MARK--
hello world 10

--MARK/--