C312322331333132212111133133313331333133312121111111133131111311   >>    C31232233133313221211113313331333133313331212111111113313111131   <<    C312322331333132212111133133313331333133312121111111133131111313   >>      C312322331333132212111133133313331333133312121111111133131111312   >>