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Configuration #59

RSST-R-0059-LEAN-VERIFIEDdischarging rule R3

ring size 10

vertices 16 · edges 33

Free completion

edge 0–1edge 0–9edge 0–13edge 1–2edge 1–12edge 1–13edge 2–3edge 2–11edge 2–12edge 2–13edge 3–4edge 3–11edge 3–12edge 3–13edge 3–14edge 4–5edge 4–10edge 4–14edge 4–15edge 5–6edge 5–10edge 5–14edge 5–15edge 6–7edge 6–10edge 6–15edge 7–8edge 8–9edge 10–11edge 10–12edge 10–13edge 10–15edge 11–14vertex 0 · deg 3 · A·vermilion · ringvertex 1 · deg 4 · C·viridian · ringvertex 2 · deg 5 · A·vermilion · ringvertex 3 · deg 6 · C·viridian · ringvertex 4 · deg 5 · B·ochre · ringvertex 5 · deg 5 · C·viridian · ringvertex 6 · deg 4 · B·ochre · ringvertex 7 · deg 2 · A·vermilion · ringvertex 8 · deg 2 · B·ochre · ringvertex 9 · deg 2 · C·viridian · ringvertex 10 · deg 7 · A·vermilionvertex 11 · deg 4 · B·ochrevertex 12 · deg 4 · B·ochrevertex 13 · deg 5 · B·ochrevertex 14 · deg 4 · A·vermilionvertex 15 · deg 4 · D·indigo
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.