C111123313331323113313331333133313331122112312111133131133132313321221   >>    C11112331333132311331333133313331333112211231211113313113313231332122   <<    C111123313331323113313331333133313331122112312111133131133132313321223   >>      C111123313331323113313331333133313331122112312111133131133132313321222   >>