C12322112223313133313223313131323132313232233132323223313132313231121   >>    C1232211222331313331322331313132313231323223313232322331313231323112   <<    C12322112223313133313223313131323132313232233132323223313132313231123   >>      C12322112223313133313223313131323132313232233132323223313132313231122   >>