C312322331333132212111133133313331333133312121111331323221333132223132231   >>    C31232233133313221211113313331333133313331212111133132322133313222313223   <<    C312322331333132212111133133313331333133312121111331323221333132223132233   >>      C312322331333132212111133133313331333133312121111331323221333132223132232   >>