D3312121211331313331313232233132322331323132233132313232321323111   >>    D331212121133131333131323223313232233132313223313231323232132311   <<    D3312121211331313331313232233132322331323132233132313232321323113   >>      D3312121211331313331313232233132322331323132233132313232321323112   >>