C221213331323133112111133133313331322331311331333133313221133321   >>    C22121333132313311211113313331333132233131133133313331322113332   <<    C221213331323133112111133133313331322331311331333133313221133323   >>      C221213331323133112111133133313331322331311331333133313221133322   >>