C313212111113331323312111133133313331333133313331333133313331312313233111   >>    C31321211111333132331211113313331333133313331333133313331333131231323311   <<    C313212111113331323312111133133313331333133313331333133313331312313233113   >>      C313212111113331323312111133133313331333133313331333133313331312313233112   >>