C22212323232133313113313331333132313331323132322113331311222131   >>    C2221232323213331311331333133313231333132313232211333131122213   <<    C22212323232133313113313331333132313331323132322113331311222133   >>      C22212323232133313113313331333132313331323132322113331311222132   >>