C1111133313331323223313331333133313331333131133133313331121323221   >>    C111113331333132322331333133313331333133313113313331333112132322   <<    C1111133313331323223313331333133313331333131133133313331121323223   >>      C1111133313331323223313331333133313331333131133133313331121323222   >>