C12121223131323223313233231323132322331313331323132313231323221   >>    C1212122313132322331323323132313232233131333132313231323132322   <<    C12121223131323223313233231323132322331313331323132313231323223   >>      C12121223131323223313233231323132322331313331323132313231323222   >>