C31313132333131133132233132233131121133132333132233132313132331   >>    C3131313233313113313223313223313112113313233313223313231313233   <<    C31313132333131133132233132233131121133132333132233132313132333   >>      C31313132333131133132233132233131121133132333132233132313132332   >>