D1121323223313223313112113313231133132333132333132313231333132222321   >>    D112132322331322331311211331323113313233313233313231323133313222232   <<    D1121323223313223313112113313231133132333132333132313231333132222323   >>      D1121323223313223313112113313231133132333132333132313231333132222322   >>