C1111233131211111211113313331333131133132321233133313223313221323132323131   >>    C111123313121111121111331333133313113313232123313331322331322132313232313   <<    C1111233131211111211113313331333131133132321233133313223313221323132323133   >>      C1111233131211111211113313331333131133132321233133313223313221323132323132   >>