C313212111113331323312111133133313331333133313331333133313231322223331   >>    C31321211111333132331211113313331333133313331333133313331323132222333   <<    C313212111113331323312111133133313331333133313331333133313231322223333   >>      C313212111113331323312111133133313331333133313331333133313231322223332   >>