C313212111113331323312111133133313331333133313331312111133133313331323232223131   >>    C31321211111333132331211113313331333133313331333131211113313331333132323222313   <<    C313212111113331323312111133133313331333133313331312111133133313331323232223133   >>      C313212111113331323312111133133313331333133313331312111133133313331323232223132   >>