C312322331333132212111133133313331312111133132313331333231321123131   >>    C31232233133313221211113313331333131211113313231333133323132112313   <<    C312322331333132212111133133313331312111133132313331333231321123133   >>      C312322331333132212111133133313331312111133132313331333231321123132   >>