C1212121231123232233131323223313231333132322131133131323132312323131   >>    C121212123112323223313132322331323133313232213113313132313231232313   <<    C1212121231123232233131323223313231333132322131133131323132312323133   >>      C1212121231123232233131323223313231333132322131133131323132312323132   >>