C33331211113313331211113313331333133313332233133112331333132313223221   >>    C3333121111331333121111331333133313331333223313311233133313231322322   <<    C33331211113313331211113313331333133313332233133112331333132313223223   >>      C33331211113313331211113313331333133313332233133112331333132313223222   >>