C1231321123223331211111131211113313331333132313331333121333112121331322133321   >>    C123132112322333121111113121111331333133313231333133312133311212133132213332   <<    C1231321123223331211111131211113313331333132313331333121333112121331322133323   >>      C1231321123223331211111131211113313331333132313331333121333112121331322133322   >>