C3123121111113313121111331333132313331333131123313331322132223311   >>    C312312111111331312111133133313231333133313112331333132213222331   <<    C3123121111113313121111331333132313331333131123313331322132223313   >>      C3123121111113313121111331333132313331333131123313331322132223312   >>