Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.922662437614
Darker point darker score: 0.882082631598
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1G05O3HM7DNVZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3VQLIGEFIPKAP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
(0: guessing, 1: probably, 2: definitely)