C1111233131211111211113313331333133313232313331333133313332131132321   >>    C111123313121111121111331333133313331323231333133313331333213113232   <<    C1111233131211111211113313331333133313232313331333133313332131132323   >>      C1111233131211111211113313331333133313232313331333133313332131132322   >>