 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(1+(i-1)*kmax) * sphi_b(1,5+s_offset_b1)
 buffer2(i+imax*(7-1)) = buffer2(i+imax*(7-1)) + buffer1(1+(i-1)*kmax) * sphi_b(1,7+s_offset_b1)
 buffer2(i+imax*(9-1)) = buffer2(i+imax*(9-1)) + buffer1(1+(i-1)*kmax) * sphi_b(1,9+s_offset_b1)
 buffer2(i+imax*(1-1)) = buffer2(i+imax*(1-1)) + buffer1(2+(i-1)*kmax) * sphi_b(2,1+s_offset_b1)
 buffer2(i+imax*(3-1)) = buffer2(i+imax*(3-1)) + buffer1(2+(i-1)*kmax) * sphi_b(2,3+s_offset_b1)
 buffer2(i+imax*(6-1)) = buffer2(i+imax*(6-1)) + buffer1(3+(i-1)*kmax) * sphi_b(3,6+s_offset_b1)
 buffer2(i+imax*(8-1)) = buffer2(i+imax*(8-1)) + buffer1(3+(i-1)*kmax) * sphi_b(3,8+s_offset_b1)
 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(4+(i-1)*kmax) * sphi_b(4,5+s_offset_b1)
 buffer2(i+imax*(9-1)) = buffer2(i+imax*(9-1)) + buffer1(4+(i-1)*kmax) * sphi_b(4,9+s_offset_b1)
 buffer2(i+imax*(2-1)) = buffer2(i+imax*(2-1)) + buffer1(5+(i-1)*kmax) * sphi_b(5,2+s_offset_b1)
 buffer2(i+imax*(4-1)) = buffer2(i+imax*(4-1)) + buffer1(5+(i-1)*kmax) * sphi_b(5,4+s_offset_b1)
 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(6+(i-1)*kmax) * sphi_b(6,5+s_offset_b1)
 buffer2(i+imax*(7-1)) = buffer2(i+imax*(7-1)) + buffer1(6+(i-1)*kmax) * sphi_b(6,7+s_offset_b1)
 buffer2(i+imax*(1-1)) = buffer2(i+imax*(1-1)) + buffer1(7+(i-1)*kmax) * sphi_b(7,1+s_offset_b1)
 buffer2(i+imax*(3-1)) = buffer2(i+imax*(3-1)) + buffer1(7+(i-1)*kmax) * sphi_b(7,3+s_offset_b1)
 buffer2(i+imax*(6-1)) = buffer2(i+imax*(6-1)) + buffer1(8+(i-1)*kmax) * sphi_b(8,6+s_offset_b1)
 buffer2(i+imax*(8-1)) = buffer2(i+imax*(8-1)) + buffer1(8+(i-1)*kmax) * sphi_b(8,8+s_offset_b1)
 buffer2(i+imax*(3-1)) = buffer2(i+imax*(3-1)) + buffer1(9+(i-1)*kmax) * sphi_b(9,3+s_offset_b1)
 buffer2(i+imax*(6-1)) = buffer2(i+imax*(6-1)) + buffer1(10+(i-1)*kmax) * sphi_b(10,6+s_offset_b1)
 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(11+(i-1)*kmax) * sphi_b(11,5+s_offset_b1)
 buffer2(i+imax*(7-1)) = buffer2(i+imax*(7-1)) + buffer1(11+(i-1)*kmax) * sphi_b(11,7+s_offset_b1)
 buffer2(i+imax*(9-1)) = buffer2(i+imax*(9-1)) + buffer1(11+(i-1)*kmax) * sphi_b(11,9+s_offset_b1)
 buffer2(i+imax*(2-1)) = buffer2(i+imax*(2-1)) + buffer1(12+(i-1)*kmax) * sphi_b(12,2+s_offset_b1)
 buffer2(i+imax*(4-1)) = buffer2(i+imax*(4-1)) + buffer1(12+(i-1)*kmax) * sphi_b(12,4+s_offset_b1)
 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(13+(i-1)*kmax) * sphi_b(13,5+s_offset_b1)
 buffer2(i+imax*(7-1)) = buffer2(i+imax*(7-1)) + buffer1(13+(i-1)*kmax) * sphi_b(13,7+s_offset_b1)
 buffer2(i+imax*(4-1)) = buffer2(i+imax*(4-1)) + buffer1(14+(i-1)*kmax) * sphi_b(14,4+s_offset_b1)
 buffer2(i+imax*(5-1)) = buffer2(i+imax*(5-1)) + buffer1(15+(i-1)*kmax) * sphi_b(15,5+s_offset_b1)
