C1123132332111133131211113313331333132322331323133313113313221321   >>    C112313233211113313121111331333133313232233132313331311331322132   <<    C1123132332111133131211113313331333132322331323133313113313221323   >>      C1123132332111133131211113313331333132322331323133313113313221322   >>