BEFORE 1467, 1: 0 0.5 0.5 1440, 2: 1 0 0 1490, 3: 0 0.25 0.75 1478, 4: 0 0.67 0.33 AFTER 1440, 2: 1 0 0 1467, 1: 0 0.5 0.5 1478, 4: 0 0.67 0.33 1490, 3: 0 0.25 0.75