[dictionary]
C=cobblestone

[layer]
?
?CCC
?CCC
?CCC
?CCC
?CCC
??C?
?._.

[layer]
?CCC?
C???C
C???C
C???C
C???C
C???C
?C?C?

[layer]
?CCC?
C???C
C???C
C???C
C???C
C???C
?C?C?

[layer]
?
?CCC
?CCC
?CCC
?CCC
?CCC
??C