C313331311233133313112331333132313331323132322331323132313232223221   >>    C31333131123313331311233133313231333132313232233132313231323222322   <<    C313331311233133313112331333132313331323132322331323132313232223223   >>      C313331311233133313112331333132313331323132322331323132313232223222   >>