%stable wall
0000110000
0000011000
initial=zeros(1,300);
initial(1,60:60:241)=[1]; %straight
initial(1,)=[1 0 0 0 0 0 0 0 1]; %thick straight
initial(1,)=[1 0 1]; %expanding & absorbing
initial(1,)=[1 1 0 0 1]; %twisty
initial(1,90:91)=[1 1]; initial(1,210:211)=[1 1]; %diagonal
initial(1,)=[1 0 0 1]; %cross diagonal
initial(1,)=[1 0 0 0 1]; % both straight & diagnol