C22212323232133313113313331333132313331323132313331132213133212131   >>    C2221232323213331311331333133313231333132313231333113221313321213   <<    C22212323232133313113313331333132313331323132313331132213133212133   >>      C22212323232133313113313331333132313331323132313331132213133212132   >>