C33331211113313331211113313331333133313221121211113313221211331323221221   >>    C3333121111331333121111331333133313331322112121111331322121133132322122   <<    C33331211113313331211113313331333133313221121211113313221211331323221223   >>      C33331211113313331211113313331333133313221121211113313221211331323221222   >>