C111123313121111121111331333133313331323231333133313331333211133132311   >>    C11112331312111112111133133313331333132323133313331333133321113313231   <<    C111123313121111121111331333133313331323231333133313331333211133132313   >>      C111123313121111121111331333133313331323231333133313331333211133132312   >>