C1111233131211111211113313331333133313331322322331312111111131121   >>    C111123313121111121111331333133313331333132232233131211111113112   <<    C1111233131211111211113313331333133313331322322331312111111131123   >>      C1111233131211111211113313331333133313331322322331312111111131122   >>