C222123232321333131133133313331323133313231323133311322123112323111   >>    C22212323232133313113313331333132313331323132313331132212311232311   <<    C222123232321333131133133313331323133313231323133311322123112323113   >>      C222123232321333131133133313331323133313231323133311322123112323112   >>