C123122131323132313113313133313221323132312323132313331323221312111   >>    C12312213132313231311331313331322132313231232313231333132322131211   <<    C123122131323132313113313133313221323132312323132313331323221312113   >>      C123122131323132313113313133313221323132312323132313331323221312112   >>