C222133313331333131123313231333133313331333132331211331333131221121   >>    C22213331333133313112331323133313331333133313233121133133313122112   <<    C222133313331333131123313231333133313331333132331211331333131221123   >>      C222133313331333131123313231333133313331333132331211331333131221122   >>