AND SIX HANDBREADTHS IN WIDTH. R. SIMEON SAYS: THE CENTRAL SPACE OF THE GROTTO MUST CONTAIN [AN AREA OF] SIX CUBITS BY EIGHT. AND THIRTEEN CHAMBERS ARE TO OPEN OUT INTO IT; FOUR ON ONE SIDE, FOUR ON THE OTHER. THREE IN FRONT [OF THE ENTRANCE]. ONE ON THE RIGHT OF THE ENTRANCE AND ONE ON THE LEFT. OUTSIDE THE ENTRANCE TO THE GROTTO IS TO BE MADE A COURT OF SIX [CUBITS] BY SIX, [WHICH IS] THE SPACE THE BIER AND THOSE WHO BURY IT OCCUPY. TWO GROTTOS ARE TO BE OPENED OUT INTO IT; ONE ON THE ONE SIDE AND ONE ON THE OTHER. R. SIMEON SAYS: FOUR; [ONE] FOR [EACH OF] ITS FOUR SIDES. R. SIMEON B. GAMALIEL SAYS: ALL DEPENDS ON [THE QUALITY OF] THE ROCK. GEMARA. Where are these two [chambers] to project? If outwards, they would, surely, be trodden upon! Furthermore, we have learnt: 'He who stands in the court of a [family] grave is [Levitically] clean'. — R. Jose b. Hanina replied: They are made in the shape of a door-bolt. But, Surely. R. Johanan said: