D1121323223313223313112113313231133132333132333132313231333132322331321   >>    D112132322331322331311211331323113313233313233313231323133313232233132   <<    D1121323223313223313112113313231133132333132333132313231333132322331323   >>      D1121323223313223313112113313231133132333132333132313231333132322331322   >>