C222133313331333131123313231333133313331333132331211113311211331322233121   >>    C22213331333133313112331323133313331333133313233121111331121133132223312   <<    C222133313331333131123313231333133313331333132331211113311211331322233123   >>      C222133313331333131123313231333133313331333132331211113311211331322233122   >>