C2221232323213331311331333133313231323133313231123312331123313113221   >>    C222123232321333131133133313331323132313331323112331233112331311322   <<    C2221232323213331311331333133313231323133313231123312331123313113223   >>      C2221232323213331311331333133313231323133313231123312331123313113222   >>