C1231321123223331211111131211113313331333132313332313221323313222323221   >>    C123132112322333121111113121111331333133313231333231322132331322232322   <<    C1231321123223331211111131211113313331333132313332313221323313222323223   >>      C1231321123223331211111131211113313331333132313332313221323313222323222   >>