<span>o,t,t,f,f,s,S,E,N,T,E,T </span> <span>It's the first letter of all the numbers starting with one, two, three, four,... </span>
<span>The second pattern I might guess would be move the O back two spaces then move one space back, then repeat. </span> <span>JKLMNO, JKLOMN, JKOLMN, OJKLMN, JKLMON, JKOLMN, ... </span> <span>The second one I'm not sure about because there are only three starting terms to work with. It's hard to see the real pattern with that little to work with. </span>
Perhaps the decisive innovation was the invention in 1925 of the stern slipway for factory ships (Tonnessen and Johnsen 1982). This enabled whalers to haul animals on deck and process them without a land-based whaling station. Ships now flourished in the whale-rich pelagic areas of the Antarctic.
