C22213331333133313112331323133313331333133313233121111133112133221   >>    C2221333133313331311233132313331333133313331323312111113311213322   <<    C22213331333133313112331323133313331333133313233121111133112133223   >>      C22213331333133313112331323133313331333133313233121111133112133222   >>