D231123132333132233132323132313231323211331323133311221123232321   >>    D23112313233313223313232313231323132321133132313331122112323232   <<    D231123132333132233132323132313231323211331323133311221123232323   >>      D231123132333132233132323132313231323211331323133311221123232322   >>