C221213331323133112111133133313331322331311331333133322132323321   >>    C22121333132313311211113313331333132233131133133313332213232332   <<    C221213331323133112111133133313331322331311331333133322132323323   >>      C221213331323133112111133133313331322331311331333133322132323322   >>