C31313132333131133132233132233131121133132333131333132313231231131   >>    C3131313233313113313223313223313112113313233313133313231323123113   <<    C31313132333131133132233132233131121133132333131333132313231231133   >>      C31313132333131133132233132233131121133132333131333132313231231132   >>