Since the 1100's, compass bearings have been split into 16 different directions: North - North North East - North East - East North East - East East - East South East - South East - South South East - South South South West - South West - West South West - West West North West - North West - North North West - North This was all the accuracy a Mariner's Compass had to offer then.
(compass bearings; have been split; into 16 different directions; T:Since the 1100's) (This; was; all the accuracy a Mariner's Compass had to offer then) (all the accuracy; to offer; T:then)
compass bearings This all the accuracy
have been split was to offer
into 16 different directions T:Since the 1100's
all the accuracy a Mariner's Compass had to offer then
T:then