C313212111113331323312111133133313331333133313331333133313113313311212131   >>    C31321211111333132331211113313331333133313331333133313331311331331121213   <<    C313212111113331323312111133133313331333133313331333133313113313311212133   >>      C313212111113331323312111133133313331333133313331333133313113313311212132   >>