C22212323232133313113313331333132313331323132321111311322311321   >>    C2221232323213331311331333133313231333132313232111131132231132   <<    C22212323232133313113313331333132313331323132321111311322311323   >>      C22212323232133313113313331333132313331323132321111311322311322   >>