D23112313233313223313132322331323223313223313231323331323111231   >>    D2311231323331322331313232233132322331322331323132333132311123   <<    D23112313233313223313132322331323223313223313231323331323111233   >>      D23112313233313223313132322331323223313223313231323331323111232   >>