C33331211113313331211113313331333133313111123313231333133313223313221   >>    C3333121111331333121111331333133313331311112331323133313331322331322   <<    C33331211113313331211113313331333133313111123313231333133313223313223   >>      C33331211113313331211113313331333133313111123313231333133313223313222   >>