C11111333133313232233133313331333132313331323321313331331123231312321   >>    C1111133313331323223313331333133313231333132332131333133112323131232   <<    C11111333133313232233133313331333132313331323321313331331123231312323   >>      C11111333133313232233133313331333132313331323321313331331123231312322   >>