四种步长，各装载了几次

运行下面这段程序，填写它打印出来的结果。

BLK = 4

def loads(idxs):
    cur = -1
    n = 0
    for i in idxs:
        b = i // BLK
        if b != cur:
            n = n + 1
            cur = b
    return n

for s in (1, 2, 4, 8):
    idxs = list(range(0, 32, s))
    print(str(len(idxs)) + "-" + str(loads(idxs)), end="/")