C312322331333132212111133133313331333133312121111331323231322311   >>    C31232233133313221211113313331333133313331212111133132323132231   <<    C312322331333132212111133133313331333133312121111331323231322313   >>      C312322331333132212111133133313331333133312121111331323231322312   >>