Fix implementation of swap

발빠다밝따맣밦빠다밞뚜
두더뻐벖뻐멓썩뻐터벋뻐
맣밤밣따빠싺맣삭빠맣뿌
뭏썬뻐더벍뻐멓썫뻐더범
사빠맣빠밝타빠싾맣삯뭏
붏뻐멓썯뻐더벅뻐서멓섢
다빠쌀맣빠발밦다타빠쑭
쑮뻐더벋뻐서멓석멓설멓
맣삳맣삮빠맣삶맣사빠붒
두범멓뻐더벍서멓섞멓터
맣삵맣산맣희
Reorder methods

밞빠따받반타다맣밦뿌
뿌멓썩뻐터벍뻐떠벎더
받다빠싺맣빠밦다빠쑧
뭏뻐석멓썬뻐터벓뻐멓
삯맣밤밣따맣삭빠밣두
투범뻐멓더벓뻐서멓멓
맣삮맣산맣사밝다맣희
Move `shared_store.rb` to support directory

발밦다밝따맣밦빠다밞따뿌
뿌멓더더뻐벌뻐멓썩뻐더벋
밝타빠싺맣밤밣따빠싻맣뿌
쑪뻐더벍뻐멓썬뻐터더뻐벖
맣빠밤타맣빠발밦다타맣뿌
투벓뻐서멓뻐섞멓썯뻐더벖
빠빠쌀맣발타맣삲빠맣사뿌
숚멓뻐섣멓뻐석멓썱뻐더벓
빠맣밦밣따박타맣삳빠맣순
숙멓뻐섥멓뻐섟멓멓더벅뻐
빠맣삯빠맣삲맣사빠밞다뭏
뭏뻐섣멓뻐석멓멓뻐더범뻐
삵빠맣삯맣살맣삳빠밞타뭏
뭏석멓섥멓터벅멓뻐섞멓뻐
삳맣사밦밝다다맣희
Add Runner class

밣밞따빠싹밝타맣밦빠다밞따빠빠맣맣밤밣따빠싺뭏
붒뻐멓터벍뻐멓멓뻐더벅뻐멓더벎뻐서멓더더뻐벌석
다맣삮맣사빠밞타맣빠맣빠발밦다타맣밝다빠맣맣희