C31232233133313221211113313331333132313331322121111332313223121   >>    C3123223313331322121111331333133313231333132212111133231322312   <<    C31232233133313221211113313331333132313331322121111332313223123   >>      C31232233133313221211113313331333132313331322121111332313223122   >>