C221213331323133112111133133313331322331311331333133313231311211322321   >>    C22121333132313311211113313331333132233131133133313331323131121132232   <<    C221213331323133112111133133313331322331311331333133313231311211322323   >>      C221213331323133112111133133313331322331311331333133313231311211322322   >>