D231123132333132233131323223313231323133313132233132313233232321   >>    D23112313233313223313132322331323132313331313223313231323323232   <<    D231123132333132233131323223313231323133313132233132313233232323   >>      D231123132333132233131323223313231323133313132233132313233232322   >>