C33331211113313331211113313331333133313332322121133132233132211   >>    C3333121111331333121111331333133313331333232212113313223313221   <<    C33331211113313331211113313331333133313332322121133132233132213   >>      C33331211113313331211113313331333133313332322121133132233132212   >>