def list_sequence(lst, seq):
    """Return sequences of seq in lst"""
    sequences = []
    count = 0
    len_seq = len(seq)
    upper_bound = len(lst)-len_seq+1
    for i in range(upper_bound):
        if lst[i:i+len_seq] == seq:
            count += 1
            sequences.append([i,i+len_seq])
    return sequences