C313212111113331323312111133133313331333133313331333133313331333131211233111   >>    C31321211111333132331211113313331333133313331333133313331333133313121123311   <<    C313212111113331323312111133133313331333133313331333133313331333131211233113   >>      C313212111113331323312111133133313331333133313331333133313331333131211233112   >>