C312322331333132212111133133313331312111133132322133311232333131   >>    C31232233133313221211113313331333131211113313232213331123233313   <<    C312322331333132212111133133313331312111133132322133311232333133   >>      C312322331333132212111133133313331312111133132322133311232333132   >>