C111123313121111121111331333133313331323232133313331333133313112221333132313121   >>    C11112331312111112111133133313331333132323213331333133313331311222133313231312   <<    C111123313121111121111331333133313331323232133313331333133313112221333132313123   >>      C111123313121111121111331333133313331323232133313331333133313112221333132313122   >>