Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.907239538266
Darker point darker score: 0.206249636342
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SRPH3BGCHUOA
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: False), confidence: 0, worker: A36XRHW6R8MU0C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NM7ZPZ3NH412
(0: guessing, 1: probably, 2: definitely)