C313212111113331323312111133133313331333132233133313331323112113121333131   >>    C31321211111333132331211113313331333133313223313331333132311211312133313   <<    C313212111113331323312111133133313331333132233133313331323112113121333133   >>      C313212111113331323312111133133313331333132233133313331323112113121333132   >>