Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.883218452965
Darker point darker score: 0.953277544274
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NQZHW4RY6IDR
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
(0: guessing, 1: probably, 2: definitely)