C313212111113331323312111133133313331333133313331333133313331323211232313233131   >>    C31321211111333132331211113313331333133313331333133313331333132321123231323313   <<    C313212111113331323312111133133313331333133313331333133313331323211232313233133   >>      C313212111113331323312111133133313331333133313331333133313331323211232313233132   >>