C313212111113331323312111133133313331333131212111133133313331333232233311   >>    C31321211111333132331211113313331333133313121211113313331333133323223331   <<    C313212111113331323312111133133313331333131212111133133313331333232233313   >>      C313212111113331323312111133133313331333131212111133133313331333232233312   >>