D231123132333132233131323223313232233132233132313233313231312221   >>    D23112313233313223313132322331323223313223313231323331323131222   <<    D231123132333132233131323223313232233132233132313233313231312223   >>      D231123132333132233131323223313232233132233132313233313231312222   >>