C222133313331333131123313231333133313331333132233312111133133321123232212111   >>    C22213331333133313112331323133313331333133313223331211113313332112323221211   <<    C222133313331333131123313231333133313331333132233312111133133321123232212113   >>      C222133313331333131123313231333133313331333132233312111133133321123232212112   >>