Visuddhimagga VI-53

Susānā nikkhamanteneva ca āgamanamaggo vavatthapetabbo, yena maggena nikkhantosmi, ayaṃ maggo pācīnadisābhimukho vā gacchati, pacchimauttaradakkhiṇadisābhimukho vā gacchati, vidisābhimukho vā gacchati.

当他从冢墓出来而在回转的途中，应如是观察：「我是从此路出来的，此路向东走，或向西、南、北走，或向四维走，

Ñ(VI,53): As he leaves the charnel ground he should define the path he comes back by thus: 'The path by which I have left goes in an easterly direction, westerly ... northerly ... southerly direction', or 'It goes in an intermediate direction';