C1123132332111133131211113313331333132322331323133313113313232213131   >>    C112313233211113313121111331333133313232233132313331311331323221313   <<    C1123132332111133131211113313331333132322331323133313113313232213133   >>      C1123132332111133131211113313331333132322331323133313113313232213132   >>