C111113331333132322331333133313331311331322331333133313112113313331   >>    C11111333133313232233133313331333131133132233133313331311211331333   <<    C111113331333132322331333133313331311331322331333133313112113313333   >>      C111113331333132322331333133313331311331322331333133313112113313332   >>