C2221232323213331311331333133313231333132313331333233113222311232332323231   >>    C222123232321333131133133313331323133313231333133323311322231123233232323   <<    C2221232323213331311331333133313231333132313331333233113222311232332323233   >>      C2221232323213331311331333133313231333132313331333233113222311232332323232   >>