C313331311233133313112331333132313331323132322331333133313232221233131   >>    C31333131123313331311233133313231333132313232233133313331323222123313   <<    C313331311233133313112331333132313331323132322331333133313232221233133   >>      C313331311233133313112331333132313331323132322331333133313232221233132   >>