C221213331323133112111133133313331333132313331333132333132323321   >>    C22121333132313311211113313331333133313231333133313233313232332   <<    C221213331323133112111133133313331333132313331333132333132323323   >>      C221213331323133112111133133313331333132313331333132333132323322   >>