TetraChroma Lab
Back to gallery

Configuration #23

RSST-R-0023-COQ-2005discharging rule R6

ring size 10

vertices 13 · edges 24

Free completion

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