C312322331333132212111133133313331333133312121111113313232112323132212231   >>    C31232233133313221211113313331333133313331212111111331323211232313221223   <<    C312322331333132212111133133313331333133312121111113313232112323132212233   >>      C312322331333132212111133133313331333133312121111113313232112323132212232   >>