C22212323232133313113313331333132313331323133313133113133133222331   >>    C2221232323213331311331333133313231333132313331313311313313322233   <<    C22212323232133313113313331333132313331323133313133113133133222333   >>      C22212323232133313113313331333132313331323133313133113133133222332   >>