C111123313121111121111331333133313331313331323121111133313232211231   >>    C11112331312111112111133133313331333131333132312111113331323221123   <<    C111123313121111121111331333133313331313331323121111133313232211233   >>      C111123313121111121111331333133313331313331323121111133313232211232   >>