C213211331333131212111133133313231333132313331322331323132231131   >>    C21321133133313121211113313331323133313231333132233132313223113   <<    C213211331333131212111133133313231333132313331322331323132231133   >>      C213211331333131212111133133313231333132313331322331323132231132   >>