C1111133313331323223313331333133313311211111211331333131133132213321333131   >>    C111113331333132322331333133313331331121111121133133313113313221332133313   <<    C1111133313331323223313331333133313311211111211331333131133132213321333133   >>      C1111133313331323223313331333133313311211111211331333131133132213321333132   >>