C1111233131211111211113313331333133313331322322331333131333112323131   >>    C111123313121111121111331333133313331333132232233133313133311232313   <<    C1111233131211111211113313331333133313331322322331333131333112323133   >>      C1111233131211111211113313331333133313331322322331333131333112323132   >>