C111123313121111121111331323133313331333132333133313331323223232321   >>    C11112331312111112111133132313331333133313233313331333132322323232   <<    C111123313121111121111331323133313331333132333133313331323223232323   >>      C111123313121111121111331323133313331333132333133313331323223232322   >>