C312322331333132212111133133313331333133312121111331333232212231   >>    C31232233133313221211113313331333133313331212111133133323221223   <<    C312322331333132212111133133313331333133312121111331333232212233   >>      C312322331333132212111133133313331333133312121111331333232212232   >>