C1111121111331311211331333133313331333131211113313221211111211331322321   >>    C111112111133131121133133313331333133313121111331322121111121133132232   <<    C1111121111331311211331333133313331333131211113313221211111211331322323   >>      C1111121111331311211331333133313331333131211113313221211111211331322322   >>