C1111133313331323223313331333133313331323131211113313112121111331311213111   >>    C111113331333132322331333133313331333132313121111331311212111133131121311   <<    C1111133313331323223313331333133313331323131211113313112121111331311213113   >>      C1111133313331323223313331333133313331323131211113313112121111331311213112   >>