C313212111113331323312111133133313331333133313331333133313113313331313232233131   >>    C31321211111333132331211113313331333133313331333133313331311331333131323223313   <<    C313212111113331323312111133133313331333133313331333133313113313331313232233133   >>      C313212111113331323312111133133313331333133313331333133313113313331313232233132   >>