C1111133313331323223313331333133313233231311211331333132322121111331311331   >>    C111113331333132322331333133313331323323131121133133313232212111133131133   <<    C1111133313331323223313331333133313233231311211331333132322121111331311333   >>      C1111133313331323223313331333133313233231311211331333132322121111331311332   >>