C22213331333133313112331323133313331333133313233121111113313331123313221211   >>    C2221333133313331311233132313331333133313331323312111111331333112331322121   <<    C22213331333133313112331323133313331333133313233121111113313331123313221213   >>      C22213331333133313112331323133313331333133313233121111113313331123313221212   >>