C22212323232133313113313331333132313231333131211211323122333131   >>    C2221232323213331311331333133313231323133313121121132312233313   <<    C22212323232133313113313331333132313231333131211211323122333133   >>      C22212323232133313113313331333132313231333131211211323122333132   >>