C1111133313331323223313331333133313233231311211331333133313331333233111   >>    C111113331333132322331333133313331323323131121133133313331333133323311   <<    C1111133313331323223313331333133313233231311211331333133313331333233113   >>      C1111133313331323223313331333133313233231311211331333133313331333233112   >>