C313331311233133313112331333132313331323132322331323132313232223321   >>    C31333131123313331311233133313231333132313232233132313231323222332   <<    C313331311233133313112331333132313331323132322331323132313232223323   >>      C313331311233133313112331333132313331323132322331323132313232223322   >>