C313212111113331323312111133133313331333133313331333133313331333131132113121321   >>    C31321211111333132331211113313331333133313331333133313331333133313113211312132   <<    C313212111113331323312111133133313331333133313331333133313331333131132113121323   >>      C313212111113331323312111133133313331333133313331333133313331333131132113121322   >>