C313212111113331323312111133133313331333133312121111331333232322332333131   >>    C31321211111333132331211113313331333133313331212111133133323232233233313   <<    C313212111113331323312111133133313331333133312121111331333232322332333133   >>      C313212111113331323312111133133313331333133312121111331333232322332333132   >>