public function isMaximallyEven() {
		$spectrum = $this->spectrumWidth();
		foreach ($spectrum as $s) {
			if ($s > 1) {
				return false;
			}
		}
		return true;
	}
public function isMaximallyEven() {
		$spectrum = $this->spectrumWidth();
		foreach ($spectrum as $s) {
			if ($s > 1) {
				return false;
			}
		}
		return true;
	}
public function isMaximallyEven ( ) { $ spectrum = $ this -> spectrumWidth ( ) ; foreach ( $ spectrum as $ s ) { if ( $ s > 1 ) { return false ; } } return true ; }
A set is maximally even if every spectrum consists of either one number, or two consecutive numbers.
@return boolean [description]
A set is maximally even if every spectrum consists of either one number or two consecutive numbers .