{0} R RR RR
{0} R RRRRRRRR R R
{0} R RR R RRRRRRRRRRRRR R RR
{0}rR RRR R RRRRRRRRRRRRRRRRR R RRR R
{0}RRR RR RRRRRRRRRRRRRRRRRRRRRRR RRRRR
{0} RRRRR RRRRRRRRRRRRRRRRRRRRRRRR RRRR
{0} RRR RRRRRRRRRRRRRRRRRRRRRRRRRRRR RR
{0} R RRRRRRRRRR{1}= {0}RR{1} = {0}RRRRRRRRRRR
{0} RRRRRRRRRRRR{1}= {0}RR{1} = {0}RRRRRRRRRR
{0} RRRRRRRRRRR RR RRRRRRRRRR
{0} RR==RRRRRRRRRRRRRRRRRRRRRR===RR
{0} RR = ==RRRRRRR RRRRRR== = RR
{0} RR = =========== = RR
{0} RR R
{0} R R
{0} R