C312322331333132212111133133313331333133312121111331323211232311331   >>    C31232233133313221211113313331333133313331212111133132321123231133   <<    C312322331333132212111133133313331333133312121111331323211232311333   >>      C312322331333132212111133133313331333133312121111331323211232311332   >>