C112122131333131323132313221323132313331311331323321323132313231   >>    C11212213133313132313231322132313231333131133132332132313231323   <<    C112122131333131323132313221323132313331311331323321323132313233   >>      C112122131333131323132313221323132313331311331323321323132313232   >>