like below figure:

MyLinearLayout *S = [MyLinearLayout linearLayoutWithOrientation:MyLayoutViewOrientation_Vert];
S.subviewSpace = 10;
S.widthSize.equalTo(@100);
UIView *A = UIView.new;
A.leftPos.equalTo(@0.2);
A.rightPos.equalTo(@0.3);
A.heightSize.equalTo(A.widthSize);
[S addSubview:A];
UIView *B = UIView.new;
B.leftPos.equalTo(@40);
B.widthSize.equalTo(@60);
B.heightSize.equalTo(@40);
[S addSubview:B];
UIView *C = UIView.new;
C.leftPos.equalTo(@0);
C.rightPos.equalTo(@0);
C.heightSize.equalTo(@40);
[S addSubview:C];
UIView *D = UIView.new;
D.rightPos.equalTo(@20);
D.widthSize.equalTo(S.widthSize).multiply(0.5);
D.heightSize.equalTo(@40);
[S addSubview:D];