C22121333132313311211113313331333133313121111331333133313332223321   >>    C2212133313231331121111331333133313331312111133133313331333222332   <<    C22121333132313311211113313331333133313121111331333133313332223323   >>      C22121333132313311211113313331333133313121111331333133313332223322   >>