C22212323232133313113313331333132313231333132313222131131323311   >>    C2221232323213331311331333133313231323133313231322213113132331   <<    C22212323232133313113313331333132313231333132313222131131323313   >>      C22212323232133313113313331333132313231333132313222131131323312   >>