C2221232323213331311331333133313331323132313331333112123122131333221321   >>    C222123232321333131133133313331333132313231333133311212312213133322132   <<    C2221232323213331311331333133313331323132313331333112123122131333221323   >>      C2221232323213331311331333133313331323132313331333112123122131333221322   >>