C22212323232133313113313331333132313331323133313133113133232131321   >>    C2221232323213331311331333133313231333132313331313311313323213132   <<    C22212323232133313113313331333132313331323133313133113133232131323   >>      C22212323232133313113313331333132313331323133313133113133232131322   >>