C312322331333132212111133133313331333133312121111331211111211111311212331   >>    C31232233133313221211113313331333133313331212111133121111121111131121233   <<    C312322331333132212111133133313331333133312121111331211111211111311212333   >>      C312322331333132212111133133313331333133312121111331211111211111311212332   >>