def collision(d,piece):

    x,y = ancr(piece)

    for i in rlen(piece[1]):

        for j in rlen(piece[1][i]):

            if piece[1][i][j]:

                if d in (0,3) and ((0<=j+(d==3)-(d==0)<=len(piece[1][i])-1 and not piece[1][i][j+(d==3)-(d==0)]) or (j,d) in ((0,0),(len(piece[1][i])-1,3))):

                    if get_pixel(x+7+14*(j+(d==3)-(d==0)),y+7+14*i) != (248,252,248) or x+((j+1)*14)*(d!=0) in [77,245]:

                        return 1

                if d == 2 and ((i != len(piece[1])-1 and not piece[1][i+1][j]) or (i == len(piece[1])-1 and piece[1][i][j])):

                    if get_pixel(x+7+14*j,y+7+14*(i+1)) != (248,252,248) or y+i*14 == 207:

                        return 1

    return 0



def collision(d,piece):

    x,y = ancr(piece)

    for i in rlen(piece[1]):

        for j in rlen(piece[1][i]):

            if piece[1][i][j]:

                if d in (0,3) and (0<=j+(d==3)-(d==0)<=len(piece[1][i])-1 and not piece[1][i][j+(d==3)-(d==0)]) or (j,d) in ((0,0),(len(piece[1][i])-1,3)):

                    if get_pixel(x+7+14*(j+(d==3)-(d==0)),y+7+14*i) != (248,252,248) or x+((j+1)*14)*(d!=0) in [77,245]:

                        return 1

                if d == 2 and (i != len(piece[1])-1 and not piece[1][i+1][j]) or (i == len(piece[1])-1 and piece[1][i][j]):

                    if get_pixel(x+7+14*j,y+7+14*(i+1)) != (248,252,248) or y+i*14 == 207:

                        return 1

    return 0