C31211133313113313132333132313311231211113313232321323133311233131   >>    C3121113331311331313233313231331123121111331323232132313331123313   <<    C31211133313113313132333132313311231211113313232321323133311233133   >>      C31211133313113313132333132313311231211113313232321323133311233132   >>