C22213331333133313112331323133313331333132321233133313223313131   >>    C2221333133313331311233132313331333133313232123313331322331313   <<    C22213331333133313112331323133313331333132321233133313223313133   >>      C22213331333133313112331323133313331333132321233133313223313132   >>