C22231311112113313132313132313232233131323223313232223212323221   >>    C2223131111211331313231313231323223313132322331323222321232322   <<    C22231311112113313132313132313232233131323223313232223212323223   >>      C22231311112113313132313132313232233131323223313232223212323222   >>