C3213322333133313113313221211113313331333131111331322231312221211   >>    C321332233313331311331322121111331333133313111133132223131222121   <<    C3213322333133313113313221211113313331333131111331322231312221213   >>      C3213322333133313113313221211113313331333131111331322231312221212   >>