C111123313121111121111331333133313331333132232233131211113313112223331323131121   >>    C11112331312111112111133133313331333133313223223313121111331311222333132313112   <<    C111123313121111121111331333133313331333132232233131211113313112223331323131123   >>      C111123313121111121111331333133313331333132232233131211113313112223331323131122   >>