import collections

class Spiral:

    def __init__(self, text=''):
        self.elems = collections.Counter(text)

    def __iter__(self):
        return self.elems.elements()

    def __add__(self, other):
        return type(self)(self.elems + other.elems)

    def __sub__(self, other):
        return type(self)(self.elems - other.elems)

    def __mul__(self, cnt):
        return type(self)(list(self) * cnt)
    __rmul__ = __mul__

    def __len__(self):
        return sum(self.elems.values())

    def _show(self):
        (diffx, diffy) = ((0, 1, 0, -1), (1, 0, -1, 0))
        funct = {}
        X = Y = n = k = j = mx = MaxX = MinY = MaxY = 0
        for (idx, el) in enumerate(self):
            funct[X, Y] = el
            (mx, MinY, MaxX, MaxY) = (min(mx, X), min(MinY, Y), max(MaxX, X), max(MaxY, Y))
            if idx >= n:
                k += 1
                n += k
                j = (j + 1) % 4
            (X, Y) = (X + diffx[j], Y + diffy[j])
        return (funct, (mx, MaxX), (MinY, MaxY))

    def __str__(self):
        (funct, (mx, MaxX), (MinY, MaxY)) = self._show()
        return '\n'.join((''.join((funct.get((X, Y), ' ') for X in range(mx, MaxX + 1))) for Y in range(MinY, MaxY + 1)))

def master():
    (First, Second) = (Spiral('QWERTY' * 2), Spiral('asdf' * 3))
    print(First + Second)
if __name__ == '__main__':
    master()