C22212323232133313113313331333132313331323133313133113133113111111   >>    C2221232323213331311331333133313231333132313331313311313311311111   <<    C22212323232133313113313331333132313331323133313133113133113111113   >>      C22212323232133313113313331333132313331323133313133113133113111112   >>