C11111333133313232233133313331333131133132313331333131111331313331   >>    C1111133313331323223313331333133313113313231333133313111133131333   <<    C11111333133313232233133313331333131133132313331333131111331313333   >>      C11111333133313232233133313331333131133132313331333131111331313332   >>