D1121323223313223313112113313231133132333132333132313221323131131   >>    D112132322331322331311211331323113313233313233313231322132313113   <<    D1121323223313223313112113313231133132333132333132313221323131133   >>      D1121323223313223313112113313231133132333132333132313221323131132   >>