C22212323232133313113313331333132313231333132313222131132111231   >>    C2221232323213331311331333133313231323133313231322213113211123   <<    C22212323232133313113313331333132313231333132313222131132111233   >>      C22212323232133313113313331333132313231333132313222131132111232   >>