Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.927629285345
Darker point darker score: -0.186849398449
darker: 1 (eq: False, dd: False), confidence: 2, worker: A15LPXZLC6NUHT
darker: 2 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)