D1121323223313223313112113313231133132333132333132313231333133313112211   >>    D112132322331322331311211331323113313233313233313231323133313331311221   <<    D1121323223313223313112113313231133132333132333132313231333133313112213   >>      D1121323223313223313112113313231133132333132333132313231333133313112212   >>