C1231321123223331211111131211113313331333132322131213221321322131   >>    C123132112322333121111113121111331333133313232213121322132132213   <<    C1231321123223331211111131211113313331333132322131213221321322133   >>      C1231321123223331211111131211113313331333132322131213221321322132   >>