C1122333133313232233133313113313231333132313113313231323132313221   >>    C112233313331323223313331311331323133313231311331323132313231322   <<    C1122333133313232233133313113313231333132313113313231323132313223   >>      C1122333133313232233133313113313231333132313113313231323132313222   >>