C1111133313331323223313331333133313311211111211331333131133133312111111331111   >>    C111113331333132322331333133313331331121111121133133313113313331211111133111   <<    C1111133313331323223313331333133313311211111211331333131133133312111111331113   >>      C1111133313331323223313331333133313311211111211331333131133133312111111331112   >>