C313212111113331323312111133133313331333133313331333133313233313331323132312131   >>    C31321211111333132331211113313331333133313331333133313331323331333132313231213   <<    C313212111113331323312111133133313331333133313331333133313233313331323132312133   >>      C313212111113331323312111133133313331333133313331333133313233313331323132312132   >>