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Configuration #33

RSST-R-0033-COQ-2005discharging rule R1

ring size 11

vertices 14 · edges 22

Free completion

edge 0–1edge 0–10edge 0–12edge 1–2edge 1–12edge 2–3edge 2–12edge 2–13edge 3–4edge 3–13edge 4–5edge 4–13edge 5–6edge 6–7edge 7–8edge 7–11edge 8–9edge 8–11edge 9–10edge 10–12edge 11–12edge 12–13vertex 0 · deg 3 · B·ochre · ringvertex 1 · deg 3 · C·viridian · ringvertex 2 · deg 4 · B·ochre · ringvertex 3 · deg 3 · A·vermilion · ringvertex 4 · deg 3 · B·ochre · ringvertex 5 · deg 2 · A·vermilion · ringvertex 6 · deg 2 · B·ochre · ringvertex 7 · deg 3 · A·vermilion · ringvertex 8 · deg 3 · C·viridian · ringvertex 9 · deg 2 · A·vermilion · ringvertex 10 · deg 3 · C·viridian · ringvertex 11 · deg 3 · B·ochrevertex 12 · deg 6 · A·vermilionvertex 13 · deg 4 · C·viridian
100%

Outer cycle (bold ring) is the configuration's boundary; interior vertices form the reducible piece. A configuration is D-reducible when every 4-coloring of its ring either extends to the interior or can be Kempe-modified into one that does.