C111123313331323113313331323133313331333132331112111133132332331   >>    C11112331333132311331333132313331333133313233111211113313233233   <<    C111123313331323113313331323133313331333132331112111133132332333   >>      C111123313331323113313331323133313331333132331112111133132332332   >>