C111123313121111121111331333133313231323132322331323223313133313132311   >>    C11112331312111112111133133313331323132313232233132322331313331313231   <<    C111123313121111121111331333133313231323132322331323223313133313132313   >>      C111123313121111121111331333133313231323132322331323223313133313132312   >>