C11111333133313232233133313331333132313231121133132312323132313231333123321   >>    C1111133313331323223313331333133313231323112113313231232313231323133312332   <<    C11111333133313232233133313331333132313231121133132312323132313231333123323   >>      C11111333133313232233133313331333132313231121133132312323132313231333123322   >>