C222133313331333131123313231333133313331333132331211331323332321   >>    C22213331333133313112331323133313331333133313233121133132333232   <<    C222133313331333131123313231333133313331333132331211331323332323   >>      C222133313331333131123313231333133313331333132331211331323332322   >>