C22221232322331313231323132323132323132313232233132313231132221   >>    C2222123232233131323132313232313232313231323223313231323113222   <<    C22221232322331313231323132323132323132313232233132313231132223   >>      C22221232322331313231323132323132323132313232233132313231132222   >>