D231123132333132233131323223313232233132233132313233313231123221   >>    D23112313233313223313132322331323223313223313231323331323112322   <<    D231123132333132233131323223313232233132233132313233313231123223   >>      D231123132333132233131323223313232233132233132313233313231123222   >>