C312322331333132212111133133313331333133312121111331333132212211331   >>    C31232233133313221211113313331333133313331212111133133313221221133   <<    C312322331333132212111133133313331333133312121111331333132212211333   >>      C312322331333132212111133133313331333133312121111331333132212211332   >>