C11111333133313232233133313331333132313331323321313331323133311232313232321   >>    C1111133313331323223313331333133313231333132332131333132313331123231323232   <<    C11111333133313232233133313331333132313331323321313331323133311232313232323   >>      C11111333133313232233133313331333132313331323321313331323133311232313232322   >>