C11111211113313112113313331333131133133313331322331323132313111   >>    C1111121111331311211331333133313113313331333132233132313231311   <<    C11111211113313112113313331333131133133313331322331323132313113   >>      C11111211113313112113313331333131133133313331322331323132313112   >>