Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.88440521173
Darker point darker score: 0.981541618058
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3U65EZ76A3HCN
darker: 2 (eq: False, dd: True), confidence: 1, worker: AYJ67827HW8LL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3I4NM85R4LN97
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: True), confidence: 2, worker: ALY6VKHUADU6F
(0: guessing, 1: probably, 2: definitely)