C313212111113331323312111133133313331333133313331333133313331333112331322221   >>    C31321211111333132331211113313331333133313331333133313331333133311233132222   <<    C313212111113331323312111133133313331333133313331333133313331333112331322223   >>      C313212111113331323312111133133313331333133313331333133313331333112331322222   >>