C22212323232133313113313331333132313331323132313331132212312213233231   >>    C2221232323213331311331333133313231333132313231333113221231221323323   <<    C22212323232133313113313331333132313331323132313331132212312213233233   >>      C22212323232133313113313331333132313331323132313331132212312213233232   >>