C11111333133313232233133313331333132313331323321313331333131331123221231   >>    C1111133313331323223313331333133313231333132332131333133313133112322123   <<    C11111333133313232233133313331333132313331323321313331333131331123221233   >>      C11111333133313232233133313331333132313331323321313331333131331123221232   >>