C2221232323213331311331333133313231333132313231333113223131112321   >>    C222123232321333131133133313331323133313231323133311322313111232   <<    C2221232323213331311331333133313231333132313231333113223131112323   >>      C2221232323213331311331333133313231333132313231333113223131112322   >>