C22212323232133313113313331333132313331323133313332331132223311211321   >>    C2221232323213331311331333133313231333132313331333233113222331121132   <<    C22212323232133313113313331333132313331323133313332331132223311211323   >>      C22212323232133313113313331333132313331323133313332331132223311211322   >>