C22212323232133313113313331333132313331323133313133113133133113311311   >>    C2221232323213331311331333133313231333132313331313311313313311331131   <<    C22212323232133313113313331333132313331323133313133113133133113311313   >>      C22212323232133313113313331333132313331323133313133113133133113311312   >>