Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.511409283725
Darker point darker score: 0.200677296458
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3O8YXPG1HGUH0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A10S23B6VB5G8M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUJPYSYU7YL5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 1, worker: A277RSAE4AKWW0
darker: E (eq: True, dd: None), confidence: 1, worker: A3799NWTIYKCEV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)