C1231321123223331211111131211113313331333132322131213221323133321   >>    C123132112322333121111113121111331333133313232213121322132313332   <<    C1231321123223331211111131211113313331333132322131213221323133323   >>      C1231321123223331211111131211113313331333132322131213221323133322   >>