C111123313331323113313331333133313331122112312111133131133132313331322112111   >>    C11112331333132311331333133313331333112211231211113313113313231333132211211   <<    C111123313331323113313331333133313331122112312111133131133132313331322112113   >>      C111123313331323113313331333133313331122112312111133131133132313331322112112   >>