# KW-807 boundary matrix C — pins and padding - Kontainer

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Source: https://kontainersite.chost.cloud/kw-807-boundary-matrix-c-pins-and-padding

## C0 no pin

Control pair, no pin on either side.

## C1 no pin

Nothing crosses this join.

## C2 pin_start

The leg carries down into the next section.

PIN START TO END

## C3 pin_end

and is picked up here, so the line must be unbroken.

## C4 no bottom pin

Nothing leaves this section.

## C5 pin_end alone

A top pin with no leg above it to meet.

## C6 pin_start

Into a section the line runs the whole height of.

PIN START TO THROUGH

## C7 pin_through

The leg runs through this content on purpose.

## C8 pin_start

A leg with nothing below it to connect to.

PIN START TO NOTHING

## C9 no top pin

So the leg above dangles into this heading.

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