C111123313121111121111331333133313121111113223313331333132313221222321   >>    C11112331312111112111133133313331312111111322331333133313231322122232   <<    C111123313121111121111331333133313121111113223313331333132313221222323   >>      C111123313121111121111331333133313121111113223313331333132313221222322   >>