C1313122132333132313132313232321323132313132322331323331313233313232222331   >>    C131312213233313231313231323232132313231313232233132333131323331323222233   <<    C1313122132333132313132313232321323132313132322331323331313233313232222333   >>      C1313122132333132313132313232321323132313132322331323331313233313232222332   >>