perserve order for shift_stack_uniformly
perserve order for shift_stack_uniformly

cryos/tomviz,OpenChemistry/tomviz,thewtex/tomviz,cryos/tomviz,OpenChemistry/tomviz,thewtex/tomviz,mathturtle/tomviz,cjh1/tomviz,thewtex/tomviz,cjh1/tomviz,mathturtle/tomviz,cjh1/tomviz,mathturtle/tomviz,OpenChemistry/tomviz,cryos/tomviz,OpenChemistry/tomviz