C11112331333132311331333132313331323133313132313231323132322331323311221   >>    C1111233133313231133133313231333132313331313231323132313232233132331122   <<    C11112331333132311331333132313331323133313132313231323132322331323311223   >>      C11112331333132311331333132313331323133313132313231323132322331323311222   >>