C313212111113331323312111133133313331333133313331333133313331323221213232211   >>    C31321211111333132331211113313331333133313331333133313331333132322121323221   <<    C313212111113331323312111133133313331333133313331333133313331323221213232213   >>      C313212111113331323312111133133313331333133313331333133313331323221213232212   >>