Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.879748404862
Darker point darker score: -0.00761019184024
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2GDON3WOQBNI0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 2 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)