C22212323232133313113313331333132313331323132313331132213133221   >>    C2221232323213331311331333133313231333132313231333113221313322   <<    C22212323232133313113313331333132313331323132313331132213133223   >>      C22212323232133313113313331333132313331323132313331132213133222   >>