D111133131312323132333132233132322131323132313331313331323133313233232211   >>    D11113313131232313233313223313232213132313231333131333132313331323323221   <<    D111133131312323132333132233132322131323132313331313331323133313233232213   >>      D111133131312323132333132233132322131323132313331313331323133313233232212   >>