C3123121111331312121111331333132313331333133313232212111111331322331   >>    C312312111133131212111133133313231333133313331323221211111133132233   <<    C3123121111331312121111331333132313331333133313232212111111331322333   >>      C3123121111331312121111331333132313331333133313232212111111331322332   >>