C1111133313331323223313331333133313331322332212111113331311331333221   >>    C111113331333132322331333133313331333132233221211111333131133133322   <<    C1111133313331323223313331333133313331322332212111113331311331333223   >>      C1111133313331323223313331333133313331322332212111113331311331333222   >>