C313212111113331323312111133133313331333133313331333133313331333131133221321   >>    C31321211111333132331211113313331333133313331333133313331333133313113322132   <<    C313212111113331323312111133133313331333133313331333133313331333131133221323   >>      C313212111113331323312111133133313331333133313331333133313331333131133221322   >>