C112122131333131323132313221323132313331323131123313233313232111121   >>    C11212213133313132313231322132313231333132313112331323331323211112   <<    C112122131333131323132313221323132313331323131123313233313232111123   >>      C112122131333131323132313221323132313331323131123313233313232111122   >>