C22212323232133313113313331333132313231333132313222131122233231   >>    C2221232323213331311331333133313231323133313231322213112223323   <<    C22212323232133313113313331333132313231333132313222131122233233   >>      C22212323232133313113313331333132313231333132313222131122233232   >>