def METHOD_NAME(self, level):
    self.add_module('b1_' + str(level), ConvBlock(self.features, self.features, norm=self.norm))
    self.add_module('b2_' + str(level), ConvBlock(self.features, self.features, norm=self.norm))
    if level > 1:
        self.METHOD_NAME(level - 1)
    else:
        self.add_module('b2_plus_' + str(level), ConvBlock(self.features, self.features, norm=self.norm))
    self.add_module('b3_' + str(level), ConvBlock(self.features, self.features, norm=self.norm))