C2221232323213331311331333133313231333132313331313311313313231132311   >>    C222123232321333131133133313331323133313231333131331131331323113231   <<    C2221232323213331311331333133313231333132313331313311313313231132313   >>      C2221232323213331311331333133313231333132313331313311313313231132312   >>