C3123121111331312121111331333133313231333132331211113313133313331333132233221   >>    C312312111133131212111133133313331323133313233121111331313331333133313223322   <<    C3123121111331312121111331333133313231333132331211113313133313331333132233223   >>      C3123121111331312121111331333133313231333132331211113313133313331333132233222   >>