C1111133313331323223313331333133313311211111211331333131133132322113111   >>    C111113331333132322331333133313331331121111121133133313113313232211311   <<    C1111133313331323223313331333133313311211111211331333131133132322113113   >>      C1111133313331323223313331333133313311211111211331333131133132322113112   >>