C1111233131211111211113313331333131133132321233133313223313131133131331   >>    C111123313121111121111331333133313113313232123313331322331313113313133   <<    C1111233131211111211113313331333131133132321233133313223313131133131333   >>      C1111233131211111211113313331333131133132321233133313223313131133131332   >>