C11111333133313232233133313331333132313231121133132313331313132311   >>    C1111133313331323223313331333133313231323112113313231333131313231   <<    C11111333133313232233133313331333132313231121133132313331313132313   >>      C11111333133313232233133313331333132313231121133132313331313132312   >>