D1121323223313223313112113313231133132333132333132312323132322131   >>    D112132322331322331311211331323113313233313233313231232313232213   <<    D1121323223313223313112113313231133132333132333132312323132322133   >>      D1121323223313223313112113313231133132333132333132312323132322132   >>