C313212111113331323312111133133313331333133313331333133313231333133313112222131   >>    C31321211111333132331211113313331333133313331333133313331323133313331311222213   <<    C313212111113331323312111133133313331333133313331333133313231333133313112222133   >>      C313212111113331323312111133133313331333133313331333133313231333133313112222132   >>