C111123313121111121111331333133313113313232233231333132313113313222311   >>    C11112331312111112111133133313331311331323223323133313231311331322231   <<    C111123313121111121111331333133313113313232233231333132313113313222313   >>      C111123313121111121111331333133313113313232233231333132313113313222312   >>