C312322331333132212111133133313331333133312121111331333221211111211231   >>    C31232233133313221211113313331333133313331212111133133322121111121123   <<    C312322331333132212111133133313331333133312121111331333221211111211233   >>      C312322331333132212111133133313331333133312121111331333221211111211232   >>