C313212111113331323312111133133313331333133313331333133313331333133112213112211   >>    C31321211111333132331211113313331333133313331333133313331333133313311221311221   <<    C313212111113331323312111133133313331333133313331333133313331333133112213112213   >>      C313212111113331323312111133133313331333133313331333133313331333133112213112212   >>