D3313111211331323133313331333133313231323133313231323223313223211   >>    D331311121133132313331333133313331323132313331323132322331322321   <<    D3313111211331323133313331333133313231323133313231323223313223213   >>      D3313111211331323133313331333133313231323133313231323223313223212   >>