C22212323232133313113313331333132313231333132313222131123332321   >>    C2221232323213331311331333133313231323133313231322213112333232   <<    C22212323232133313113313331333132313231333132313222131123332323   >>      C22212323232133313113313331333132313231333132313222131123332322   >>