Infernal Cartography

Thereby Cocytus wholly was congealed.
  With six eyes did he weep, and down three chins
  Trickled the tear-drops and the bloody drivel.
At every mouth he with his teeth was crunching
  A sinner, in the manner of a brake,
  So that he three of them tormented thus.
To him in front the biting was as naught
  Unto the clawing, for sometimes the spine
  Utterly stripped of all the skin remained.
"That soul up there which has the greatest pain,"
  The Master said, "is Judas Iscariot;
  With head inside, he plies his legs without.
Of the two others, who head downward are,
  The one who hangs from the black jowl is Brutus;
  See how he writhes himself, and speaks no word.
And the other, who so stalwart seems, is Cassius.
  But night is reascending, and 'tis time
  That we depart, for we have seen the whole."

-Dante, Inferno Canto XXXIV