C313212111113331323312111133133313331333133313331333133313331322331333131322221   >>    C31321211111333132331211113313331333133313331333133313331333132233133313132222   <<    C313212111113331323312111133133313331333133313331333133313331322331333131322223   >>      C313212111113331323312111133133313331333133313331333133313331322331333131322222   >>