C1111233131211111211113313331333133313331333133313331333121111331323221211331   >>    C111123313121111121111331333133313331333133313331333133312111133132322121133   <<    C1111233131211111211113313331333133313331333133313331333121111331323221211333   >>      C1111233131211111211113313331333133313331333133313331333121111331323221211332   >>