C111123313121111121111331333133313231323132322331333131133131213231321   >>    C11112331312111112111133133313331323132313232233133313113313121323132   <<    C111123313121111121111331333133313231323132322331333131133131213231323   >>      C111123313121111121111331333133313231323132322331333131133131213231322   >>