C112122131333131323132313221323132313113313132313331323211232233131   >>    C11212213133313132313231322132313231311331313231333132321123223313   <<    C112122131333131323132313221323132313113313132313331323211232233133   >>      C112122131333131323132313221323132313113313132313331323211232233132   >>