C1111233131211111211113313331333133313331333133313331333133313332233132233321   >>    C111123313121111121111331333133313331333133313331333133313331333223313223332   <<    C1111233131211111211113313331333133313331333133313331333133313332233132233323   >>      C1111233131211111211113313331333133313331333133313331333133313332233132233322   >>