C312111333131323132313233313131323132313132322331323331323331323211122311   >>    C31211133313132313231323331313132313231313232233132333132333132321112231   <<    C312111333131323132313233313131323132313132322331323331323331323211122313   >>      C312111333131323132313233313131323132313132322331323331323331323211122312   >>