C x l

C x lC x lC x lC x l
C x lC x lC x lC x lC x lC x lC x lC x l
C x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x l
C x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x lC x l
C x lC x lC x lC x lC x lC x lC x lC x l