C312322331333132212111133133313331333133312121111331333132321222131   >>    C31232233133313221211113313331333133313331212111133133313232122213   <<    C312322331333132212111133133313331333133312121111331333132321222133   >>      C312322331333132212111133133313331333133312121111331333132321222132   >>