C1123132332111133131211113313331333132313231333133313231121123313331323132211   >>    C112313233211113313121111331333133313231323133313331323112112331333132313221   <<    C1123132332111133131211113313331333132313231333133313231121123313331323132213   >>      C1123132332111133131211113313331333132313231333133313231121123313331323132212   >>