':type nums: List[int]
:rtype: bool'

def splitArray(self, nums):

    if (len(nums) < 7):
        return False
    accumulated_sum = ([0] * len(nums))
    accumulated_sum[0] = nums[0]
    for i in xrange(1, len(nums)):
        accumulated_sum[i] = (accumulated_sum[(i - 1)] + nums[i])
    for j in xrange(3, (len(nums) - 3)):
        lookup = set()
        for i in xrange(1, (j - 1)):
            if (accumulated_sum[(i - 1)] == (accumulated_sum[(j - 1)] - accumulated_sum[i])):
                lookup.add(accumulated_sum[(i - 1)])
        for k in xrange((j + 2), (len(nums) - 1)):
            if (((accumulated_sum[(-1)] - accumulated_sum[k]) == (accumulated_sum[(k - 1)] - accumulated_sum[j])) and ((accumulated_sum[(k - 1)] - accumulated_sum[j]) in lookup)):
                return True
    return False
