C313212111113331323312111133133313331333133313331333133313331333133321222131   >>    C31321211111333132331211113313331333133313331333133313331333133313332122213   <<    C313212111113331323312111133133313331333133313331333133313331333133321222133   >>      C313212111113331323312111133133313331333133313331333133313331333133321222132   >>