C132233133112121111331333133313331312121111133313331323223313111123311   >>    C13223313311212111133133313331333131212111113331333132322331311112331   <<    C132233133112121111331333133313331312121111133313331323223313111123313   >>      C132233133112121111331333133313331312121111133313331323223313111123312   >>