C111123313121111121111331333132313331323132322331333131121232311   >>    C11112331312111112111133133313231333132313232233133313112123231   <<    C111123313121111121111331333132313331323132322331333131121232313   >>      C111123313121111121111331333132313331323132322331333131121232312   >>