C313212111113331323312111133133313331333133313331333133313113313113313221323131   >>    C31321211111333132331211113313331333133313331333133313331311331311331322132313   <<    C313212111113331323312111133133313331333133313331333133313113313113313221323133   >>      C313212111113331323312111133133313331333133313331333133313113313113313221323132   >>