C33331211113313331211113313331333133313332233133112133313232131   >>    C3333121111331333121111331333133313331333223313311213331323213   <<    C33331211113313331211113313331333133313332233133112133313232133   >>      C33331211113313331211113313331333133313332233133112133313232132   >>