C22212323232133313113313331333132313331311211323323222213213331311   >>    C2221232323213331311331333133313231333131121132332322221321333131   <<    C22212323232133313113313331333132313331311211323323222213213331313   >>      C22212323232133313113313331333132313331311211323323222213213331312   >>