C31313132333131133132233132233131121133132333132233132313331323133313111221   >>    C3131313233313113313223313223313112113313233313223313231333132313331311122   <<    C31313132333131133132233132233131121133132333132233132313331323133313111223   >>      C31313132333131133132233132233131121133132333132233132313331323133313111222   >>