C31321211113313121133133313331333133323132233133313331323221321   >>    C3132121111331312113313331333133313332313223313331333132322132   <<    C31321211113313121133133313331333133323132233133313331323221323   >>      C31321211113313121133133313331333133323132233133313331323221322   >>