C31321211113313121133133313331333133313233313113313232212211321   >>    C3132121111331312113313331333133313331323331311331323221221132   <<    C31321211113313121133133313331333133313233313113313232212211323   >>      C31321211113313121133133313331333133313233313113313232212211322   >>