C2221232323213331311331333133313231333132313231333113221311322121   >>    C222123232321333131133133313331323133313231323133311322131132212   <<    C2221232323213331311331333133313231333132313231333113221311322123   >>      C2221232323213331311331333133313231333132313231333113221311322122   >>