C1111133313331323223313331333133313113313231331121111331322121311   >>    C111113331333132322331333133313331311331323133112111133132212131   <<    C1111133313331323223313331333133313113313231331121111331322121313   >>      C1111133313331323223313331333133313113313231331121111331322121312   >>