C313212111113331323312111133133313331333133313331333133313331323233232233331   >>    C31321211111333132331211113313331333133313331333133313331333132323323223333   <<    C313212111113331323312111133133313331333133313331333133313331323233232233333   >>      C313212111113331323312111133133313331333133313331333133313331323233232233332   >>