C11231323321111331312111133133313331323132313331333132311331322112113221   >>    C1123132332111133131211113313331333132313231333133313231133132211211322   <<    C11231323321111331312111133133313331323132313331333132311331322112113223   >>      C11231323321111331312111133133313331323132313331333132311331322112113222   >>