C31313132333131133132233132233131121133132333132233132322333331   >>    C3131313233313113313223313223313112113313233313223313232233333   <<    C31313132333131133132233132233131121133132333132233132322333333   >>      C31313132333131133132233132233131121133132333132233132322333332   >>