C1212122313132322331313232233132313331322213231323132313132313231   >>    C121212231313232233131323223313231333132221323132313231313231323   <<    C1212122313132322331313232233132313331322213231323132313132313233   >>      C1212122313132322331313232233132313331322213231323132313132313232   >>