C1111233131211111211113313331333133313331322322331312111113331313223313333131   >>    C111123313121111121111331333133313331333132232233131211111333131322331333313   <<    C1111233131211111211113313331333133313331322322331312111113331313223313333133   >>      C1111233131211111211113313331333133313331322322331312111113331313223313333132   >>