C31232233133313221211113313331333132313331322121111331312322331   >>    C3123223313331322121111331333133313231333132212111133131232233   <<    C31232233133313221211113313331333132313331322121111331312322333   >>      C31232233133313221211113313331333132313331322121111331312322332   >>