C11111211113313112113313331333131133133313132313331323223311233132322331   >>    C1111121111331311211331333133313113313331313231333132322331123313232233   <<    C11111211113313112113313331333131133133313132313331323223311233132322333   >>      C11111211113313112113313331333131133133313132313331323223311233132322332   >>