C11111333133313232233133313331333132332313112113313331333132313123221311   >>    C1111133313331323223313331333133313233231311211331333133313231312322131   <<    C11111333133313232233133313331333132332313112113313331333132313123221313   >>      C11111333133313232233133313331333132332313112113313331333132313123221312   >>