C1212122313132322331313232233132313231311111323132313231323132221   >>    C121212231313232233131323223313231323131111132313231323132313222   <<    C1212122313132322331313232233132313231311111323132313231323132223   >>      C1212122313132322331313232233132313231311111323132313231323132222   >>