b 0 b 1 b 2 b 2.5 n 0 n 1 n 2 n 1.5 n 2 n 2.5 p -1 p -1 p 0 p 1 p -1 p -1 p 1.5 w 0 w 1 w 0 w 1 w 0 w 1.5 w 0 w 1.5 pm 0 pm 1 pm 0 pm 1 pm 0 pm 1.5 pm 0 pm 1.5 c 0 c 1 c 2 c 1.5 c 2 c 2.5