C111113331333132322331333133313331311331322331313231323131133131231   >>    C11111333133313232233133313331333131133132233131323132313113313123   <<    C111113331333132322331333133313331311331322331313231323131133131233   >>      C111113331333132322331333133313331311331322331313231323131133131232   >>