C1111133313331323223313331333133313331323131211113313112121111132313223311   >>    C111113331333132322331333133313331333132313121111331311212111113231322331   <<    C1111133313331323223313331333133313331323131211113313112121111132313223313   >>      C1111133313331323223313331333133313331323131211113313112121111132313223312   >>