C1212121231123232233131323223313231333132333132322331323132313232333131   >>    C121212123112323223313132322331323133313233313232233132313231323233313   <<    C1212121231123232233131323223313231333132333132322331323132313232333133   >>      C1212121231123232233131323223313231333132333132322331323132313232333132   >>