Scan at y=600 across x=750 to 950:
x=750: R=2, G=2, B=2 | x=760: R=2, G=2, B=2 | x=770: R=2, G=2, B=2 | x=780: R=2, G=2, B=2 | x=790: R=2, G=2, B=2 | x=800: R=3, G=3, B=3 | x=810: R=3, G=3, B=3 | x=820: R=4, G=4, B=4 | x=830: R=6, G=6, B=6 | x=840: R=245, G=244, B=242 | x=850: R=233, G=232, B=228 | x=860: R=233, G=232, B=228 | x=870: R=233, G=232, B=228 | x=880: R=234, G=233, B=229 | x=890: R=233, G=232, B=228 | x=900: R=232, G=231, B=227 | x=910: R=232, G=231, B=227 | x=920: R=231, G=230, B=226 | x=930: R=231, G=230, B=226 | x=940: R=231, G=230, B=226 | x=950: R=231, G=230, B=226 |