C111123313331323113313331323133313331333132331112111133132233131133131   >>    C11112331333132311331333132313331333133313233111211113313223313113313   <<    C111123313331323113313331323133313331333132331112111133132233131133133   >>      C111123313331323113313331323133313331333132331112111133132233131133132   >>