C112122131333131323132313221323132313331323131123313233313231323212231   >>    C11212213133313132313231322132313231333132313112331323331323132321223   <<    C112122131333131323132313221323132313331323131123313233313231323212233   >>      C112122131333131323132313221323132313331323131123313233313231323212232   >>