C111123313331323113313331333133313331323131211113313121111331333132322113121   >>    C11112331333132311331333133313331333132313121111331312111133133313232211312   <<    C111123313331323113313331333133313331323131211113313121111331333132322113123   >>      C111123313331323113313331333133313331323131211113313121111331333132322113122   >>