C31333131123313331311233133313231333132313232233132313231323321311   >>    C3133313112331333131123313331323133313231323223313231323132332131   <<    C31333131123313331311233133313231333132313232233132313231323321313   >>      C31333131123313331311233133313231333132313232233132313231323321312   >>