D1121323223313223313112113313231133132333132333132313231323233111   >>    D112132322331322331311211331323113313233313233313231323132323311   <<    D1121323223313223313112113313231133132333132333132313231323233113   >>      D1121323223313223313112113313231133132333132333132313231323233112   >>