C313212111113331323312111133133313331333133313331333133313331323221211111313111   >>    C31321211111333132331211113313331333133313331333133313331333132322121111131311   <<    C313212111113331323312111133133313331333133313331333133313331323221211111313113   >>      C313212111113331323312111133133313331333133313331333133313331323221211111313112   >>