D3312121211331313331323221123313232213232233132313232332322123221   >>    D331212121133131333132322112331323221323223313231323233232212322   <<    D3312121211331313331323221123313232213232233132313232332322123223   >>      D3312121211331313331323221123313232213232233132313232332322123222   >>