C111123313121111121111331333133313331323221211113313112232132311   >>    C11112331312111112111133133313331333132322121111331311223213231   <<    C111123313121111121111331333133313331323221211113313112232132313   >>      C111123313121111121111331333133313331323221211113313112232132312   >>