C11111333133313232233133313331333132313331323321313331311331313322131   >>    C1111133313331323223313331333133313231333132332131333131133131332213   <<    C11111333133313232233133313331333132313331323321313331311331313322133   >>      C11111333133313232233133313331333132313331323321313331311331313322132   >>