C23131111222331311211331323111133132233132313331323211232323321   >>    C2313111122233131121133132311113313223313231333132321123232332   <<    C23131111222331311211331323111133132233132313331323211232323323   >>      C23131111222331311211331323111133132233132313331323211232323322   >>