C111113331333132322331333133313331311331322331333132212113313231323131121   >>    C11111333133313232233133313331333131133132233133313221211331323132313112   <<    C111113331333132322331333133313331311331322331333132212113313231323131123   >>      C111113331333132322331333133313331311331322331333132212113313231323131122   >>