C3123121111331312121111331333133313331333121333133313331313232212331333221   >>    C312312111133131212111133133313331333133312133313331333131323221233133322   <<    C3123121111331312121111331333133313331333121333133313331313232212331333223   >>      C3123121111331312121111331333133313331333121333133313331313232212331333222   >>