Eight friends, K, L, M, N, O, P, Q and R, are sitting at two circular tables, one smaller inner table and one bigger outer table. Both the circular tables have the same centre. Four persons are sitting at each table at equal distances between them, facing the centre. M is to the immediate right of L. Q and N are sitting in the south and are facing R and L. M is sitting opposite to O at the same table. P is sitting opposite K at the outer table. N is between P and K at the same table. L is between M and O at the same table. Who is sitting in the north at the outer table?