C11112331333132311331333132313331333131133131133132333132322331323212111   >>    C1111233133313231133133313231333133313113313113313233313232233132321211   <<    C11112331333132311331333132313331333131133131133132333132322331323212113   >>      C11112331333132311331333132313331333131133131133132333132322331323212112   >>