C313212111113331323312111133133313331333133313331333133313133313232131   >>    C31321211111333132331211113313331333133313331333133313331313331323213   <<    C313212111113331323312111133133313331333133313331333133313133313232133   >>      C313212111113331323312111133133313331333133313331333133313133313232132   >>