C3123121111331312121111331333132313331333133313221211113313331333123221   >>    C312312111133131212111133133313231333133313331322121111331333133312322   <<    C3123121111331312121111331333132313331333133313221211113313331333123223   >>      C3123121111331312121111331333132313331333133313221211113313331333123222   >>