C1231321123223331211111131211113313331333132313332223312132231333132321   >>    C123132112322333121111113121111331333133313231333222331213223133313232   <<    C1231321123223331211111131211113313331333132313332223312132231333132323   >>      C1231321123223331211111131211113313331333132313332223312132231333132322   >>