C3123121111331312121111331333132313331333133313221211113313331323231311211   >>    C312312111133131212111133133313231333133313331322121111331333132323131121   <<    C3123121111331312121111331333132313331333133313221211113313331323231311213   >>      C3123121111331312121111331333132313331333133313221211113313331323231311212   >>