C111112111133131121133133313331333132311211312111111331333132231223321   >>    C11111211113313112113313331333133313231121131211111133133313223122332   <<    C111112111133131121133133313331333132311211312111111331333132231223323   >>      C111112111133131121133133313331333132311211312111111331333132231223322   >>