C313212111113331323312111133133313331333133313331333132211311111   >>    C31321211111333132331211113313331333133313331333133313221131111   <<    C313212111113331323312111133133313331333133313331333132211311113   >>      C313212111113331323312111133133313331333133313331333132211311112   >>