C11111333133313232233133313331333132313331323321313331323323132311321   >>    C1111133313331323223313331333133313231333132332131333132332313231132   <<    C11111333133313232233133313331333132313331323321313331323323132311323   >>      C11111333133313232233133313331333132313331323321313331323323132311322   >>