D3132113313132333132333132312312111133132313331322331311331323232211   >>    D313211331313233313233313231231211113313231333132233131133132323221   <<    D3132113313132333132333132312312111133132313331322331311331323232213   >>      D3132113313132333132333132312312111133132313331322331311331323232212   >>