D231123132333132233131323223313233313231211113313231323133112311321   >>    D23112313233313223313132322331323331323121111331323132313311231132   <<    D231123132333132233131323223313233313231211113313231323133112311323   >>      D231123132333132233131323223313233313231211113313231323133112311322   >>