D11221123122332313123231323223313232233133313232122132313231321   >>    D1122112312233231312323132322331323223313331323212213231323132   <<    D11221123122332313123231323223313232233133313232122132313231323   >>      D11221123122332313123231323223313232233133313232122132313231322   >>