C3132121111133313233121111331333133313331333133313331333133313331333233232331   >>    C313212111113331323312111133133313331333133313331333133313331333133323323233   <<    C3132121111133313233121111331333133313331333133313331333133313331333233232333   >>      C3132121111133313233121111331333133313331333133313331333133313331333233232332   >>