C11111211113313112113313331333133313331333132212111133133313331322331333131111   >>    C1111121111331311211331333133313331333133313221211113313331333132233133313111   <<    C11111211113313112113313331333133313331333132212111133133313331322331333131113   >>      C11111211113313112113313331333133313331333132212111133133313331322331333131112   >>