C21221212121211331313232233131122112323132313111333132323132313231323223311   >>    C2122121212121133131323223313112211232313231311133313232313231323132322331   <<    C21221212121211331313232233131122112323132313111333132323132313231323223313   >>      C21221212121211331313232233131122112323132313111333132323132313231323223312   >>