C1123132332111133131211113313331333132313231333133313331333131321321   >>    C112313233211113313121111331333133313231323133313331333133313132132   <<    C1123132332111133131211113313331333132313231333133313331333131321323   >>      C1123132332111133131211113313331333132313231333133313331333131321322   >>