C313212111113331323312111133133313331333133313331333133313331311221123132311   >>    C31321211111333132331211113313331333133313331333133313331333131122112313231   <<    C313212111113331323312111133133313331333133313331333133313331311221123132313   >>      C313212111113331323312111133133313331333133313331333133313331311221123132312   >>