Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.92409852237
Darker point darker score: 0.982266781198
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2KGFKD1S21AZA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HZT1JQU1PFB8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1P2EVJXWYR94M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2UKHWMBWV7LLU
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
(0: guessing, 1: probably, 2: definitely)