C3123121111113313121111331333132313331333131123313331333133313123313223321   >>    C312312111111331312111133133313231333133313112331333133313331312331322332   <<    C3123121111113313121111331333132313331333131123313331333133313123313223323   >>      C3123121111113313121111331333132313331333131123313331333133313123313223322   >>