C111123313121111121111331333133313331333131121133133313331333132333132323221   >>    C11112331312111112111133133313331333133313112113313331333133313233313232322   <<    C111123313121111121111331333133313331333131121133133313331333132333132323223   >>      C111123313121111121111331333133313331333131121133133313331333132333132323222   >>