C1123132332111133131211113313331333132313231333133312113313331322332321   >>    C112313233211113313121111331333133313231323133313331211331333132233232   <<    C1123132332111133131211113313331333132313231333133312113313331322332323   >>      C1123132332111133131211113313331333132313231333133312113313331322332322   >>