cyber77.py

code_matrix = [
    [0x1c, 0xbd, 0x55, 0xe9, 0x55], 
    [0x1c, 0xbd, 0x1c, 0x55, 0xe9],
    [0x55, 0xe9, 0xe9, 0xbd, 0xbd],
    [0x55, 0xff, 0xff, 0x1c, 0x1c],
    [0xff, 0xe9, 0x1c, 0xbd, 0xff]
]
sequences = [
    [0x1c, 0x1c, 0x55],
    [0X55, 0Xff, 0X1c],
    [0xbd, 0xe9, 0xbd, 0x55],
    [0x55, 0x1c, 0xff, 0xbd]
]
buffer_size = 9

sequences = ["".join([hex(c) for c in seq]) for seq in sequences]

def gen_path(current_path, horizontal):
    if len(current_path) == buffer_size:
        yield (current_path, "".join([hex(code_matrix[pos[0]][pos[1]]) for pos in current_path]))
    else:
        current_pos = current_path[-1]
        if horizontal:
            options = ((x, current_pos[1]) for x in range(len(code_matrix)))
        else:
            options = ((current_pos[0], y) for y in range(len(code_matrix)))
        for option in options:
            if option not in current_path:
                yield from gen_path(current_path + [option], not horizontal)
            
paths = gen_path([(0, 0)], True)

def score(path):
    return sum((1 for s in sequences if path[1].find(s) != -1))
    
print(max(paths, key=score))