def down_c(r):
    rt = [15, 16, 17, 29, 41, 40, 39, 27]
    rt.reverse()
    rotate(r, rt)
    L = [2, 5, 8, 14, 26, 38, 47, 50, 53, 20, 32, 44]
    L.reverse()
    return shift(r, L)
def down_c(r):
    rt = [15, 16, 17, 29, 41, 40, 39, 27]
    rt.reverse()
    rotate(r, rt)
    L = [2, 5, 8, 14, 26, 38, 47, 50, 53, 20, 32, 44]
    L.reverse()
    return shift(r, L)