C23131111222331311211331323111133132233132313331323331323133313331333132112321   >>    C2313111122233131121133132311113313223313231333132333132313331333133313211232   <<    C23131111222331311211331323111133132233132313331323331323133313331333132112323   >>      C23131111222331311211331323111133132233132313331323331323133313331333132112322   >>