C111123313331323113313331323133313331311331311331311221123231323132221   >>    C11112331333132311331333132313331333131133131133131122112323132313222   <<    C111123313331323113313331323133313331311331311331311221123231323132223   >>      C111123313331323113313331323133313331311331311331311221123231323132222   >>