C111123313121111121111331323133313331333132333131133133313331313221311   >>    C11112331312111112111133132313331333133313233313113313331333131322131   <<    C111123313121111121111331323133313331333132333131133133313331313221313   >>      C111123313121111121111331323133313331333132333131133133313331313221312   >>