C1212122313132322331313232233132333132333132222132313231323132321   >>    C121212231313232233131323223313233313233313222213231323132313232   <<    C1212122313132322331313232233132333132333132222132313231323132323   >>      C1212122313132322331313232233132333132333132222132313231323132322   >>