C3123121111113313121111331333132313331333131123313331311331323232233131   >>    C312312111111331312111133133313231333133313112331333131133132323223313   <<    C3123121111113313121111331333132313331333131123313331311331323232233133   >>      C3123121111113313121111331333132313331333131123313331311331323232233132   >>