C1212121231123232233131323223313231323132233133313233313231322331   >>    C121212123112323223313132322331323132313223313331323331323132233   <<    C1212121231123232233131323223313231323132233133313233313231322333   >>      C1212121231123232233131323223313231323132233133313233313231322332   >>