C31232233133313221211113313331333133313332213121111332112323121   >>    C3123223313331322121111331333133313331333221312111133211232312   <<    C31232233133313221211113313331333133313332213121111332112323123   >>      C31232233133313221211113313331333133313332213121111332112323122   >>