C1111233131211111211113313331333133313331311211331333133313331333133323221131   >>    C111123313121111121111331333133313331333131121133133313331333133313332322113   <<    C1111233131211111211113313331333133313331311211331333133313331333133323221133   >>      C1111233131211111211113313331333133313331311211331333133313331333133323221132   >>