C111123313121111121111331333133313331333131121133133313331333132313331323121   >>    C11112331312111112111133133313331333133313112113313331333133313231333132312   <<    C111123313121111121111331333133313331333131121133133313331333132313331323123   >>      C111123313121111121111331333133313331333131121133133313331333132313331323122   >>