D3312121211331313331313232233132322132333132322112113313231322131   >>    D331212121133131333131323223313232213233313232211211331323132213   <<    D3312121211331313331313232233132322132333132322112113313231322133   >>      D3312121211331313331313232233132322132333132322112113313231322132   >>