C1111233131211111211113313331333133313331322322331312111111311131   >>    C111123313121111121111331333133313331333132232233131211111131113   <<    C1111233131211111211113313331333133313331322322331312111111311133   >>      C1111233131211111211113313331333133313331322322331312111111311132   >>