
Chequered floor and Diamond palindromeSOLVITUR AMBULANDO
On this chequered floor, paved with slabs each a
foot square, the palindrome word ROTATOR can be traced in various
ways.If a man walks over it, taking one slab at every step, and never lengthening his strides, how many steps will he take in tracing every possible variation of the word, and how many such variations are there?+---+---+---+---+---+---+---+---+---+---+---+---+---+|=R=|...