Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.896483892315
Darker point darker score: 0.181032183873
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A8DFFGPH3G3V5
darker: 2 (eq: False, dd: False), confidence: 0, worker: AS6P7YSSJR79B (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 1 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)