C313331311233133313112331333132313331323132322331333133313231331   >>    C31333131123313331311233133313231333132313232233133313331323133   <<    C313331311233133313112331333132313331323132322331333133313231333   >>      C313331311233133313112331333132313331323132322331333133313231332   >>